physics experiments for class 8 with explanation

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Science Projects for Class 8

• Updated on  
• Jan 15, 2024

Science and its applications are way beyond the textbook experiments and class activities we did as kids. But to boost the interest of students in science and help them learn the basics, these simple and interesting experiments and observation projects enable them to understand varied basic concepts of Science. Often class 8 students are asked to submit their science project by the end of the year, in which they have to choose a topic, carry out an experiment and state the conclusion of their chosen scientific principle through their science project. Read this blog to learn about the best and most interesting science projects for class 8 which can help you delve deeper into the magic of science while also getting a higher score in your science class!

This Blog Includes:

Best science projects for class 8, top 45 science models for class 8, science projects for class 8 for exhibitions, measuring glucose in food, boiling point of water, baking soda volcano, red cabbage indicator, potato battery , thermal conductivity of metals, pinhole camera, create your own biodiesel, astronomical telescope, cotton candy machine, create a working model of the human heart.

Download NCERT Solutions Class 7 Science Chapter 8 Important Questions and Answers PDF

For science projects for class 8, students are generally asked to perform an experiment, conduct an activity or design a working model which elucidates the principle that they have chosen. Thus, we will explain to you how you can perform simple experiments as well as create a working model.

Here is a list of top Science Models that you can try:

• Drop an egg to prove the first law of motion
• Assemble a Newton’s cradle
• Blow out a candle with a balloon
• Relight a candle without touching it
• Measure and compare lung capacity
• Build an infinity mirror
• Brew up some root beer
• Construct a cup holder
• Assemble a spring scale
• Extract bismuth from Pepto-Bismol
• Make a solar desalinator
• Perform a starch test with iodine
• Keep your hands warm
• Explore symbiosis with nitrogen-fixing bacteria
• Crash cars for science
• Discover the center of gravity
• Power up homemade batteries
• Examine the connection between personality and memory
• Concoct and test your own shampoo
• Fuel a film canister rocket
• Stand on a pile of paper cups
• Create a rainbow of flames
• Get your laundry really clean
• Test water quality
• Fingerprint analysis
• Create a roller coaster loop
• Extract your DNA
• Separate water into hydrogen and oxygen
• Build a circuit to detect ripe produce
•  Discover the strength of interleaved paper
• Guide a growing plant through a maze
• Find out if peppermint improves reaction time
• Raise a hydraulic elevator
• Grow a carbon sugar snake
• Generate a Lichtenberg figure
• Teach a computer to play tic-tac-toe
• Cast animal tracks
• Construct a Rube Goldberg machine
• Block the sun’s UV rays
• Turn juice into spheres
• Measure your threshold of hearing 
• Measure how body temperature and reaction time vary throughout the day
• Model the human cardiovascular system
• Use spin tests to discover how your eyes and ears affect your balance and dizziness 
• Determine how much huddling reduces heat loss in warm-blooded animals

Here are some of the Science Projects for Class 8th Exhibitions that you can try:

The majority of the meals that we take in a day include carbohydrates or sugar. But the form in which we consume them is different and the one that is found inside the human body is different. In our body, glucose is broken down into simpler substances and you can opt for a glucose experiment for your Class 8 science project through which you can analyse the presence of carbohydrates in glucose and our food. As per your choice, collect some food items of daily life along with food dye, room temperature water, plastic glasses, knife and record your observations. You will also need glucose reading strips for this science project and create a positive strip by dipping a glucose strip into a sugar-based or glucose solution as well as a negative strip by dipping a glucose strip into the water. Then, test each of the foods you have taken with these two strips and record your observations. 

Water in its pure form has a specific boiling point and if we keep on adding some solutions or chemicals to water, its boiling point tends to change. For this simple and interesting science project for Class 8, you need some basic household items, i.e. sugar, salt, lemon juice, oil, oranges, jaggery, tea, etc. Ask an adult for supervision and assistance in helping you test the boiling point of water while adding a different item every time. Record your observation for these items and create your Science project accordingly. 

Having a homemade volcano is an amazing science science project. You need to build a cone shaped structure similar to a volcano with a container in the middle. Then in that container, add vinegar. Now, to demonstrate the working of the volcano, add baking soda along with some food colour to the vinegar. The volcano will erupt with effervescence which is generated due to the reaction of baking soda and vinegar thus releasing CO2 gas.

The red cabbage that we eat consists of a natural pH indicator that we can use to identify the nature of various substances. Since not many people are aware of this natural indicator, you can use red cabbage to create a unique Science project for Class 8. First, extract the juice of red cabbage and take some paper cups. Now, you need a specific amount of the following items in each paper cup:

• Baking Soda
• Lemon Juice

Now, pour the red cabbage juice into each cup until the colour of the liquid/powder [baking soda] changes. Note down your observations regarding the nature of acid and base in each item as indicated by the red cabbage and astonish your class with an amazing science experiment!

Do you know that the potato we use in our food can actually convert chemical energy into electrical energy? As a potato has many nutrients that act as chemicals in a particular setup, it can be used as an electrical battery and thus a unique working model for your Class 8 science project! You need a few potatoes to create your own potato battery and the process is quite simple. Take two potatoes, zinc and copper electrodes, 6 alligator clips and a small bulb/digital clock. First, insert the zinc and copper electrodes in the potatoes and then use alligator clips to attach the electrodes with the clock or bulb [adult supervision necessary].

You will see that the potatoes will charge electrodes and then the clock or the bulb will turn on automatically.

Amongst the most popular science projects for Class 8, you must have come across this one in day-to-day scenarios. Have you noticed that the pan in which we cook gets all heated up including the handles of it or the tong with which we cook our chapatis becomes hot? This is because of thermal conductivity in solids which means that the molecules of solids when heated up move in different directions and spread the heat. For your project, you can pick a bunch of solid items and check at which temperature the entire object gets heated up and up to which temperature.

You must have come across various high-end cameras, but a pinhole camera is something that you can construct from simple household products. The camera does not contain any type of lens rather it is a light-proof box which has a small hole on one of its sides. Light from one side will fall into it and then by using its effort, it will reflect the picture on the other side of it.  the image formed by this lens is inverted, thus,  it becomes a tree basis of your entire project. 

Science Working Model for Class 8

Here is a list of Science Working Models for Class 8:

• Wind Turbine
• Biogas plant

Now, let’s pick up some of these and learn how to make these models:

Biodiesel is made from vegetable oil and animal-fat based diesel fuel including long-chain alkyl and esters. Biodiesels are made by chemically reacting lipids, e.g., vegetable oils, animals with alcohol to produce fatty acid esters. The project is for renewable energy, physics, biology.

A telescope is an optical instrument to make observations to make distant objects look closer with an arrangement of lenses or curved mirrors. The rays of light are collected and focus on resulting in magnified images.

A cotton candy machine follows the same framework everywhere in the world and you can make it right at home. When sugar is heated, it becomes liquid caramel. If liquid caramel is pushed through tiny holes to the outside by centrifugal force when the container continuously rotates, cotton candy is made by recrystallization.

One of the most famous working models is the human heart’s working model. The project only requires a physioball, PVC Pipe cap, balloons, and drip pipe. The project will barely take an hour to complete and you will be able to impress your teacher with it.

Drop an egg to prove the first law of motion Assemble a Newton’s cradle Blow out a candle with a balloon Relight a candle without touching it Measure and compare lung capacity

The majority of the meals that we take in a day include carbohydrates or sugar. But the form in which we consume them is different and the one that is found inside the human body is different. In our body, glucose is broken down into simpler substances and you can opt for a glucose experiment for your Class 8 science project through which you can analyse the presence of carbohydrates in glucose and our food.

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Science Experiments for Class 8

• Science Experiments

Learn Easily with Science Experiments for Class 8 with Explanation

Each student has a distinctive way of learning that is best suited to their individual needs. To cater to this, we offer a range of CBSE Science Experiments for Class 8 that are designed to provide unique learning experiences for each student. By offering practical explanations of the content, these experiments help students to understand the concepts in a way that suits their learning style.

Through our Science Experiments for Class 8 with Explanation , students are encouraged to broaden their scientific horizons and immerse themselves in the world of Science. Our experiments are designed to be easy and comprehensive, making it simpler for students to grasp the concepts being taught. We provide images and diagrams to clearly understand the setup or experiment, allowing students to visualize the experiment and understand the process better.

How Important are Science Experiments for Class 8?

Our NCERT Science Experiments for Class 8 will serve as a valuable guide to students navigating the complex world of Science. They will help students better understand the subject and gain a deeper appreciation for the wonders of Science. Whether they are preparing for a science fair or simply trying to improve their grades, our experiments will provide the support and guidance they need to succeed.

Science experiments for Class 8 are crucial for several reasons. At this stage, students are beginning to develop an understanding of scientific concepts and principles. Conducting experiments provides a hands-on way for them to apply these concepts and principles, making it easier to understand and remember them.

Promotes Critical Thinking

NCERT Science Experiments for Class 8 encourage students to think critically, to ask questions, and use evidence to support their claims. This helps them develop problem-solving skills that are valuable not only in science but in all areas of life.

Detailed Understanding of Scientific Concepts 

Experiments provide a way for students to experience scientific concepts in action. This makes it easier for them to understand and remember these concepts, as they have seen them in action.

Encourages Creativity and Curiosity

Science experiments encourage curiosity and creativity by allowing students to explore and experiment. This can foster a lifelong love of learning and a passion for science.

Higher Education Possibilities 

Science experiments help to prepare students for higher education in science-related fields. They provide a foundation of knowledge and skills to be built upon later.

Real-world Experience Gained

The experiments we have offered you here show how scientific concepts apply in real-world situations. This helps to see the relevance of science to your daily lives and to the world around them.

Best and Simple Science Experiments for Class 8 to Enhance your Think Tank

Here we provide some details about simple science experiments for Class 8 that students perform and observe to learn more.

How to Generate Static Electricity?

Static electricity is a fascinating phenomenon easily demonstrated with simple objects. This experiment aims to educate and entertain students about static electricity by using everyday items. It is based on the principle that opposite charges attract each other, while similar charges repel each other.

To conduct this experiment, students will need a plastic comb, a woollen cloth, and some small pieces of paper or other lightweight objects. They should first rub the comb vigorously against the woollen cloth to create static electricity. Then, they can hold the comb near the pieces of paper and watch as the static electricity causes the papers to be attracted to the comb, despite being lightweight and not affected by gravity.

How to Make Quicksand?

Another fun experiment that students can try is creating their own quicksand on a small scale. This project is simple and harmless but produces a fun and interesting result that can be appreciated by friends and teachers alike.

To create the quicksand, students will need cornstarch and water. They should mix the two together until they have a thick, paste-like consistency. Then, they can slowly pour more water into the mixture while stirring continuously, until the mixture becomes more liquid and resembles quicksand. When they stop stirring, the mixture will become thick and hard to move in, simulating the effect of quicksand.

Go Ahead and Perform Best Science Experiments for Class 8 

With the help of these science experiments for Class 8 with explanation , students will gain a much deeper and more practical understanding of the concepts. Download the PDF for these experiments and perform the procedure to see the results. Science experiments are fun and educational for students. So, why not perform them and perfect your knowledge of scientific concepts?

FAQs on Science Experiments for Class 8

1. Can a teacher solve my doubts about Class 8 Science experiment?

A teacher can help you solve your doubts about Class 8 science experiments. It is highly recommended that you speak with your teacher if you have any questions or concerns about an experiment. They can provide you with additional guidance, clarify scientific concepts, and help ensure that you are experimenting safely and correctly.

2. Is safety important while conducting experiments for Class 8 Science?

Safety is a critical consideration when conducting science experiments in Class 8. Students should wear appropriate protective gear such as goggles, gloves, and lab coats. They should also be aware of the potential hazards associated with the chemicals and equipment being used, and follow all instructions and precautions carefully.

3. What if I make mistakes while performing Class 8 Science experiments?

Making mistakes is a natural part of the learning process, and it is common to make mistakes while performing Class 8 science experiments. However, it is important to learn from your mistakes and take steps to correct them. If you make a mistake while conducting an experiment, stop and assess the situation. Determine what went wrong and how you can correct the error. If necessary, consult with your teacher or a science tutor for guidance. This will enable you to find a solution much quicker.

Class 8 / Grade8

In this category, we add all the diy school project models for secondary school students (Class 8 / Grade8).

Wwhere students can do themselves step by step for their school exhibition or fair

how to make place value working model with paper cups

Creating a place value working model with paper cups is a fun and educational project. Here’s a step-by-step guide to help you make one: Materials Needed: Step by Step Video Instructions: Using the Model: This model visually represents the concept of place value, helping to understand how each digit’s position affects its value.

Comparison of major renewable energy sources: solar, wind, hydropower, biomass, and geothermal

Introduction Renewable energy sources are vital for transitioning to a sustainable and environmentally friendly energy system. Here’s a comparison of major renewable energy sources: solar, wind, hydropower, biomass, and geothermal. Solar Energy Wind Energy Hydropower Biomass Energy Geothermal Energy Comparative Summary Feature Solar Wind Hydropower Biomass Geothermal Abundance High High Moderate Moderate Moderate Reliability Low … Read more

50 science working models for a state-level exhibition

Creating science working models for a state-level exhibition projects that are not only innovative but also address local or regional scientific challenges or interests. Tips for State-Level Science Projects: Here are 50 science working model ideas suitable for a state-level exhibition: Physics Projects: Chemistry Projects: Biology Projects: Environmental Science Projects: Engineering and Technology Projects: Astronomy … Read more

20 science project ideas related to light, suitable for school projects

Here are 20 science project ideas related to light, suitable for school projects. These projects explore various aspects of light, including its properties, applications, and effects: 1. Refraction of Light 2. DIY Periscope 3. Color Spectrum with a Prism 4. Solar-Powered Car 5. Photoelectric Effect 6. Pinhole Camera 7. Glow-in-the-Dark Materials 8. Laser Light Shows … Read more

20 environment-related science project ideas suitable for school projects

Here are 20 environment-related science project ideas suitable for school projects. These ideas span various topics, including pollution, conservation, climate change, and ecosystem health: 1. Air Quality Monitoring 2. Effects of Acid Rain on Plants 3. Water Purification Methods 4. Impact of Plastic Pollution on Marine Life 5. Soil Erosion Prevention 6. Renewable Energy Sources … Read more

20 science project ideas on health and cleanliness

Here are 20 science project ideas focused on health and cleanliness, spanning various topics from disease prevention to environmental hygiene: Health Science Project Ideas: Cleanliness Science Project Ideas: Conclusion: These project ideas cover a broad range of topics related to health and cleanliness, providing opportunities for practical experiments and valuable learning experiences. Whether you’re interested … Read more

Nuclear Power Working Model Speech or explanation

Overview: Nuclear power plants generate electricity using the heat produced from nuclear fission, a process where the nucleus of an atom splits into smaller parts. This process releases a significant amount of energy, which is then used to produce steam that drives turbines connected to electricity generators. Components of the Nuclear power working Model: Let’s … Read more

earthquake alarm working model project explanation in english

This simple earthquake alarm demonstrates how basic principles of physics and electricity can be applied to create a practical device for detecting seismic activity. Earthquake Alarm working model explanation How Earthquake Alarm Works? https://www.youtube.com/@diypandit

Smoke Absorber Science Project: Working Principle Explanation

To explain the working principle of a smoke absorber built using cardboard, a DC motor, and a filter. This smoke absorber demonstrates basic principles of air filtration, showing how fans and filters can work together to improve air quality. By understanding these principles, we see how simple devices can address environmental issues. Working Principle: Summary: … Read more

how to make hydraulic brake working model using a CD disk, DC motor, and syringes

Creating a hydraulic brake working model using a CD disk, DC motor, and syringes is an excellent way to understand the basic principles of hydraulic systems. Here’s a step-by-step guide: Materials Needed: Steps by Step Video Instructions: How It Works: This model demonstrates the basic principles of hydraulic brakes used in vehicles, where brake fluid … Read more

Amazing Saltwater and Electricity conductivity science experiment using a 9v battery with explanation

Creating a saltwater and electricity conductivity experiment using a 9V battery can be a simple and informative project. Here’s a step-by-step guide: Materials Needed: Steps by Step Video Instructions: https://www.youtube.com/@diypandit

how to make day and night working model(3d) – new innovative and creative design – science exhibition | craftpiller

day and night working model(3d) – new innovative and creative design – science exhibition | craftpiller #dayandnight #workingmodel #newdesign #innovativeideas #creative #scienceexhibition #sciencemodel #scienceproject #craftpiller #diy #diyproject #3d Creating a day and night working model using cardboard, colored paper, and a DC motor for rotation can be a fun and educational project. Here’s how you … Read more

how to make newtons first law of motion working model for science exhibition

This simple rocket demonstrates the basic principle of Newton’s first law of motion, as the rocket remains at rest until an external force (the expulsion of water) acts upon it, causing it to move forward. Newton’s First Law of Motion Newton’s first law of motion describes how an object behaves when no force is acting … Read more

how to make acid rain model for a science exhibition

Creating an acid rain model for a science exhibition can help illustrate the harmful effects of environmental pollution. Here’s a simple way to make one using cardboard, colors, and a ball for the sun decoration: Materials Needed: Instructions: By following these steps, you can create a visually engaging acid rain model for your science exhibition, … Read more

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Chapter 16 Class 8 - Light

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Check out the NCERT Solutions, Notes, Experiments, Activities and some Extra Questions for Chapter 16 Class 8 Science - Light.

Everything is provided free of cost, and is the best education material available for Light Class 8.

In this chapter, we will study - 

• How do we see objects?
• What are visible and invisible objects?

What are Luminous and Non-Luminous Objects?

and the Difference between them

• What is Incident Ray, Reflected Ray and Normal
• What is Angle of Incidence and Angle of Reflection

What are Laws of Reflection

Regular and Diffused Reflection

Image formed a Plane Mirror and its characteristics

What exactly is Lateral Inversion

Multiple Reflections of Light

and its applications like Periscope

What is a Kaleidoscope ? 

How can we construct a Kaleidoscope

What is Dispersion of Light

The Human Eye - and its different parts

What is the function of Iris and Pupil?

What is a blind spot ?

Other Important Points about Human Eye like Eyelids, Range of Vision, How do we see moving objects

What is Visual Impairment?

What is Braille System

How to take proper care of eyes?

In addition to this, we have also provided some Practice Problems - both 1 mark and 2+ Marks. They are in the Extra Question link given below.

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SCIENCE EXPERIMENTS FOR CLASS 8

Science experiments for class 8 – cbse syllabus.

Activity-6.1: Cumbustible and non-cumbustible substances Activity-6.2: Air is essential for burning Activity-6.3: Air is essential for burning Activity-6.4: Test for ignition Activity-6.5: Structure of a flame

Activity-15.1: Charging by rubbing Activity-15.2: Charging by rubbing on different materials Activity-15.3: Types of charges and their interaction Activity-15.4: Transfer of charge Activity-15.5: Prepare a short report on earth quakes Activity-15.6: Prepare a short report on devastation caused by tsunami in India

Kolb Labs emphasizes the need of experiential learning for kids. Kolb labs offers Science Lab As A Service to schools. We visit schools and perform science experiments for class 8 students within school campus as per CBSE syllabus. Schools need not to worry about setting up science lab and maintaining it. Instructors from Kolb Labs will bring the equipment, material required for each science experiment for class 8 to school and demonstrate the activities as per CBSE syllabus.Experiential learning helps students to learn fast and understand the concepts clearly. More importantly, practical demonstration of science experiments will make learning fun and exciting for 8th class students. Learning by doing will help students immensely to improve their thought process. Kolb Labs encourages to adopt experiential learning at the very young age itself to influence the thought process of young minds towards innovation and creativity.There are 102 Science experiments for Class 8 as per CBSE Syllabus. Kolb Labs will perform most of the science experiments using the real material. Kolb labs will also use other methods like images, videos, prototypes etc. Kolb labs will encourage class 8 students to perform activities hands-on.Kolb Labs also helps Class 8 students to prepare science working models and science projects to participate in science fairs. Kolb Labs also encourages 8th class students to come up with new science project ideas with knowledge gained through science activities performed as per CBSE syllabus.

DO YOU WANT KOLB LABS AT YOUR SCHOOL?​

Hands-on-experiments for grade 8

DESIGN AND TEST A PARACHUTE

Design and Test a Parachute Learn about air resistance while making an awesome parachute! Design one that can fall slowly to the ground before putting it to the test, making modifications as you go. Materials required: A plastic bag or light material Scissors String A small object to act as the weight, a little action […]

DESIGN AND TEST A PARACHUTE Read More »

MAGIC IS SCIENCE

Magic is Science Learn this magic and show your talent to others. Materials required: Bottle (plastic) Water Pin Bucket Procedure: Make 4 to 5 holes at the bottom of the bottle. 2. Make one hole at the neck of the bottle. 3. Fill the bottle with water and close the cap. 4. Put your finger

MAGIC IS SCIENCE Read More »

DISSECTION OF HIBISCUS FLOWER

Dissection of Hibiscus Flower Flowers aren’t just beautiful, they’re actually complex reproductive systems! You can dissect a hibiscus flower to get an inside look and some hands-on experience. You’ll get to see how the flower uses both a male and female reproductive system to create its own ovules and fertilize itself. This allows the flower

DISSECTION OF HIBISCUS FLOWER Read More »

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Science projects for class 8, best projects and working models.

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Safalta Expert Published by: Noor Fatima Updated Wed, 26 Oct 2022 01:53 PM IST

Here is all you need to know about Science Projects for Class 8. Read the article to learn and understand how to create Science Projects for Class 8. 

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Best science projects for class 8

Top 40 science projects for class 8.

• Drop an egg to prove the first law of motion
• Assemble a Newton’s cradle
• Create a roller coaster loop
• Extract your DNA
• Separate water into hydrogen and oxygen
• Build a circuit to detect ripe produce
•  Discover the strength of interleaved paper
• Guide a growing plant through a maze
• Find out if peppermint improves reaction time
• Assemble a spring scale
• Extract bismuth from Pepto-Bismol
• Make a solar desalinator
• Perform a starch test with iodine
• Keep your hands warm
• Explore symbiosis with nitrogen-fixing bacteria
• Crash cars for science
• Discover the center of gravity
• Power up homemade batteries
• Examine the connection between personality and memory
• Concoct and test your own shampoo
• Fuel a film canister rocket
• Stand on a pile of paper cups
• Create a rainbow of flames
• Blow out a candle with a balloon
• Relight a candle without touching it
• Measure and compare lung capacity
• Build an infinity mirror
• Brew up some root beer
• Construct a cup holder
• Fingerprint analysis
• Get your laundry really clean
• Test water quality
• Raise a hydraulic elevator
• Grow a carbon sugar snake
• Generate a Lichtenberg figure
• Teach a computer to play tic-tac-toe
• Cast animal tracks
• Construct a Rube Goldberg machine
• Block the sun’s UV rays
• Turn juice into spheres 

Science Projects for Class 8 for Exhibitions

• The boiling point of water

• Potato Battery

• Firstly, add the copper electrodes and zinc to the potato.
• Afterward, use alligator clips to connect the electrodes to the clock or bulb.
• Do this experiment under adult supervision.

Measuring Glucose In Food

Pinhole camera

• Thermal conductivity of metals

Science working model for class 8

• Solar cell 
• Wind turbine
• Biogas plant
• Astronomical telescope
• Cotton candy machine
• Creating a working model of the human heart

Astronomical telescope 

A working model of the human heart 

Name some science projects for Class 8 Exhibition.

Name some working models for science projects for class 8., what are the best science projects for class 8, what is safalta school online, what are the benefits of safalta school online.

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Light of Class 8

About light.

An old-age debate that has persisted among scientists is related to the question, "Is light a wave or a stream of particles?" Very noteworthy and distinguished physicists have taken up each side of the argument, providing a wealth of evidence for each side. The fact is that light exhibits behaviors that are characteristic of both waves and particles.

Light is a form of electromagnetic wave that causes the sensation of vision.

The wave nature of light was first illustrated through experiments on diffraction and interference.

Like all electromagnetic waves, light can travel through a vacuum.

The transverse nature of light can be demonstrated through polarization.

Light is sometimes also known as visible light to contrast it from "ultraviolet light" and "infrared light".

Other forms of electromagnetic radiation that are not visible to humans are sometimes also known informally as "light"

NCERT Solutions for class 8 science  will be highly helpful. for this chapter

• Introduction to Light
• Reflection of light
• Mirror formula
• STRUCTURE AND WORKING OF HUMAN EYE
• Persistence of vision
• Colour-blindness
• what is hyperopia
• Care of the eyes
• Solved questions
• Exercise 3 (True and False)

Talk to Our counsellor

Science Fun

Force And Motion Science Experiments

Easy motion science experiments you can do at home! Click on the experiment image or the view experiment link below for each experiment on this page to see the materials needed and procedure. Have fun trying these experiments at home or use them for SCIENCE FAIR PROJECT IDEAS.

Strength Test:

Magic Ball:

Observe Centrifugal Force In Action

Can A Light Weight Lift A Heavy Weight?:

Coin In A Cup:

Observing Inertia:

Coin Flick:

Magically Remove The Bottom Coin

Hammer Head:

Seemingly Defy Gravity

Galileo’s Swinging Strings:

Use Straws To Reduce Friction:

Find A Hard Boiled Egg:

Use Spinning Science In This Experiment

Unbreakable Thread:

Magic Napkin:

Cotton Ball Catapult:

Rapid Rubber Band Launcher:

Send A Bunch Of Rubber Bands Flying

Water Balloon Physics:

Centrifugal Force: 

Stab A Potato:

Traveling Toothpicks:

Surface Tension And Toothpicks Do Mix

Balance A House On Your Finger:

Ruler Race:

Easy Film Canister Rocket:

Rocket Balloon Blast:

This Balloon Really Moves

Mini Marshmallow Launcher:

Build Your Own Balance Buddy:

Top 20 Magnet Science Experiments

Welcome to our list of the most interesting magnetic science experiments, specially curated to electrify the curiosity of future physicists!

Magnets offer a tangible and captivating way to explore the principles of physics.

Our diverse selection of the top magnet science experiments caters to learners of all ages, and these hands-on, educational activities promise not only to enhance your understanding of magnetism but also to spark a lifelong fascination with physics.

So, grab your magnets and join us on this thrilling journey of magnetic exploration!

1. Levitron

Imagine a world where objects levitate and spin with mesmerizing grace. With this hands-on experiment, you’ll learn how to create your very own Levitron from scratch, harnessing the power of magnetism to make the impossible possible.

2. Icy Magnets

Don’t miss out on the chance to unleash your scientific curiosity and witness the awe-inspiring fusion of ice and magnetism! Grab your gloves, embrace the chill, and join us on this frosty expedition of icy magnets.

Learn more: Icy Magnets

3. Is it Magnetic or Not-Magnetic Experiment

Prepare to unravel the mysteries of magnetism with the captivating experiment, “Is It Magnetic or Not Magnetic?” Embark on a journey where you’ll test the magnetic properties of various objects, challenging your scientific instincts.

4. Magnetic Treasure Hunt

This hands-on experiment will not only ignite your sense of exploration but also deepen your understanding of magnetic fields and their effects. Join us as we combine the thrill of a scavenger hunt with the wonders of magnetism.

Learn more: Magnetic Treasure Hunt

5. Spinning Pen

Imagine the thrill of defying gravity as you witness a humble pen transform into a gravity-defying acrobat, twirling and spinning in mid-air. This hands-on adventure will not only ignite your passion for science but also unlock endless possibilities.

6. Magnetic Pendulum

Science meets art, where a simple pendulum becomes an extraordinary conductor of magnetic forces.

7. Magnetic Levitation

Feel the exhilaration as you control the magnetic forces and guide your pencil through the air. It’s a mind-bending experience that will leave you on the edge of your seat, eager to explore the wonders of magnetism.

Learn more: Magnetic Levitation

8. Magnetic Slime

Get ready to unleash the ultimate magnetic gooeyness with our magnetic slime experiment! Whether you’re a budding scientist or just a slime enthusiast, this magnetic slime experiment will leave you magnetized with excitement and wonder.

9. DIY Magnetic Sensory Bottles

Dive into the magical realm of DIY Magnetic Sensory Bottles and let your curiosity flow. Don’t miss out on the opportunity to create your own magnetic masterpiece and unlock scientific marvels!

10. Magnet Maze

As you navigate the maze, you’ll witness the captivating interactions between magnets and magnetic objects, unraveling the secrets of magnetism along the way. So, gather your wits, embrace the challenge, and join us on this thrilling journey through the Magnet Maze.

11. Magnet Powered Car

This hands-on adventure will ignite your curiosity and fuel your understanding of magnetic forces. Discover the principles of magnetism in action as you witness the thrilling movement of your very own magnet-powered vehicle.

12. Make a Compass

By constructing your own compass using a magnet, you will gain invaluable insight into the principles of magnetism and its role in navigation. Don’t miss out on the opportunity to engage in a timeless experiment and navigate the path to scientific knowledge with your very own compass creation.

Learn more: Make a Compass

13. DIY Magnetic Water

This hands-on experiment not only deepens your understanding of magnetic forces but also offers a unique opportunity to explore the potential benefits of magnetized water.

14. Magnet Trampoline

Engage in this extraordinary exploration to unlock the secrets of magnetism while experiencing the sheer joy of defying gravity. Embrace the challenge, and let the magnetic trampoline launch you into a world of scientific wonder.

Learn more: Magnet Trampoline

15. Magic Pipe Cleaners

Prepare to witness the captivating powers of magnetism as you explore the extraordinary ability to lift objects using a magnet and a clear canister.

16. Make an Electromagnet

In this hands-on experiment, you will unravel the intricate relationship between electric currents and magnetic fields, witnessing the transformative power of electromagnetism.

Learn more: Make an Electromagnetic

17. Magnet Painting

By incorporating magnets into your artistic process, you will witness the enchanting interactions between magnetic fields and paint, resulting in unique and dynamic compositions.

Learn more: Magnet Painting

18. Magnetic Doddles

By using magnetic materials and drawing tools, you will witness the captivating interactions between magnets and metallic particles, resulting in vibrant and dynamic doodles.

This hands-on experiment not only deepens your understanding of magnetic forces but also nurtures artistic expression, fine motor skills, and innovative thinking.

Learn more: Magnetic Doddles

19. Spinning Magnetic Coin

Prepare to witness the captivating interaction of magnets and a simple coin as it defies gravity and spins in a spellbinding manner.

20. The Christmas Bell Game

Embrace this opportunity to merge scientific inquiry with the joyous atmosphere of the holidays, as you unravel the secrets of magnetism while immersed in the enchanting realm of the Christmas Bell Game.

Learn more: The Christmas Bell Game

Similar Posts:

• 68 Best Chemistry Experiments: Learn About Chemical Reactions
• Top 100 Fine Motor Skills Activities for Toddlers and Preschoolers
• Top 50 Fun Food Science Experiments

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• CBSE Notes For Class 8
• Class 8 Science Notes
• Chapter 15: Some Natural Phenomena

Some Natural Phenomena Class 8 Notes - Chapter 15

According to the CBSE Syllabus 2023-24, this chapter has been renumbered as Chapter 12.

Introduction

The Class 8 Science Chapter 15 discusses natural phenomena: lightning and earthquakes, and the measures to be taken to minimize the destruction caused by these phenomena. Let us take a look at some important points discussed in the chapter.

Introduction to Natural Phenomena

• Any naturally occurring calamity or physical process is called a natural phenomenon.
• Two destructive natural phenomena: lightning and earthquakes.

Static Charges

Methods of charging.

• A body can be charged by rubbing due to friction or by induction.
• The electrical charges produced by rubbing are called static charges.

Charging by rubbing

• When objects like plastic get rubbed with hair, it acquires a charge. Similarly, a glass rod gets charged when rubbed with a silk cloth.
• They get charged as they gain or lose electrons, and that is why they can attract or repel the small pieces of paper depending on the type of charge they carry.

Charged objects

Interaction between like and unlike charges

Convention of Positive and Negative Charges

It is a convention to call the charge acquired by a glass rod when it is rubbed with silk positive.

Transfer of charges

• Charges can be transferred through good conductors (metals) to another conducting material.
• The charge transfer is due to the movement of the electron from one atom to another.

To know more about Transfer of charges, visit here .

Electroscope

To know more about Electroscope, visit here .

Discharged Objects

When objects lose their charge by transfer, they are known as discharged objects.

Lightning: Introduction

• During thunderstorms, air currents move upwards, and water droplets move downwards. This causes the separation of charges between clouds and between clouds and the Earth.
• When the magnitude of charges increases, air (normally a bad conductor) starts conducting and allows the flow of electricity. This is called lightning, as this flow of charge is accompanied by bright streaks of light and sound.

Electric Discharge

Lightning safety: Steps to follow

• Outside the house : (a) Find a safe place or shelter under small trees (b) If inside a car or vehicle, stay inside with doors and windows shut (c) Stay away from metal poles (d) Do not lie on the ground. Instead, crouch with your head in between your hands.
• Inside the house : (a) Avoid contact with telephone and electrical wires (b) avoid bathing (c) Unplug electrical appliances.

Lightning Conductors

• Lightning conductors help to protect buildings during lightning.
• They consist of a metal rod that is taller than the building, which is installed within the walls during construction. They run all the way to the earth and act as a direct passage for electric discharge during lightning.

To know more about Lightning, visit here .

Earthquakes

• An earthquake is the sudden trembling of the surface of the earth due to a disturbance deep inside the earth’s crust.
• Causes large-scale damage to life and property.
• It cannot be predicted.

Causes of earthquake

Earthquakes are caused due to movement or collision of tectonic plates in the uppermost layer of the earth’s crust.

Movement of plates

Earth’s crust is fragmented, and each such fragment is known as a plate. These plates are constantly in motion and sometimes can collapse under one another, causing an earthquake on the surface.

Structure of the earth

Seismic/fault Zones

Boundaries of the plates on the earth’s crust are weak zones where earthquakes are most likely to occur. These are known as seismic or fault zones.

Power of earthquake

• The power of an earthquake is expressed in terms of magnitude on a scale. This scale is called a Richter Scale.
• An earthquake with a magnitude > 7 on the Richter scale is considered destructive.
• This scale is not linear. i.e. an increase of 2 in magnitude implies 1000 times more destructive energy.

Seismic Waves

Seismograph

An instrument that records seismic waves is called a seismograph.

• It consists of a vibrating rod or pendulum that starts vibrating when tremors occur.

Protection from an earthquake: Steps to follow

• Outdoors : (a) Find a clear spot, away from overhead lines and buildings (b) if in a car, then go to a clear spot and stay inside the car till the tremors stop.
• Indoors : (a) stay under a table till the tremors stop (b) Avoid staying near tall heavy objects.
• Structural measures : (a) in highly seismic areas, build mud houses with light roofs in order to minimize damage (b) Fix cupboards and shelves to the walls (c) During an earthquake, some buildings catch fire and therefore must have proper working firefighting equipment.

To know more about Protection from Earthquake, visit here .

Learn more about natural phenomena and other related topics, including CBSE class 8 science notes , at BYJU’S.

Frequently Asked Questions on CBSE Class 8 Science Notes Chapter 15 Some Natural Phenomena

What is an electroscope.

A device that can detect the presence of charge is called an electroscope.

What are the different layers of Earth?

The Earth is made up of three different layers: the crust, the mantle and the core.

What is a Seismograph?

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72 Easy Science Experiments Using Materials You Already Have On Hand

Because science doesn’t have to be complicated.

If there is one thing that is guaranteed to get your students excited, it’s a good science experiment! While some experiments require expensive lab equipment or dangerous chemicals, there are plenty of cool projects you can do with regular household items. We’ve rounded up a big collection of easy science experiments that anybody can try, and kids are going to love them!

Easy Chemistry Science Experiments

Easy physics science experiments, easy biology and environmental science experiments, easy engineering experiments and stem challenges.

1. Taste the Rainbow

Teach your students about diffusion while creating a beautiful and tasty rainbow! Tip: Have extra Skittles on hand so your class can eat a few!

Learn more: Skittles Diffusion

2. Crystallize sweet treats

Crystal science experiments teach kids about supersaturated solutions. This one is easy to do at home, and the results are absolutely delicious!

Learn more: Candy Crystals

3. Make a volcano erupt

This classic experiment demonstrates a chemical reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid), which produces carbon dioxide gas, water, and sodium acetate.

Learn more: Best Volcano Experiments

4. Make elephant toothpaste

This fun project uses yeast and a hydrogen peroxide solution to create overflowing “elephant toothpaste.” Tip: Add an extra fun layer by having kids create toothpaste wrappers for plastic bottles.

5. Blow the biggest bubbles you can

Add a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands.

Learn more: Giant Soap Bubbles

6. Demonstrate the “magic” leakproof bag

All you need is a zip-top plastic bag, sharp pencils, and water to blow your kids’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.

Learn more: Leakproof Bag

7. Use apple slices to learn about oxidation

Have students make predictions about what will happen to apple slices when immersed in different liquids, then put those predictions to the test. Have them record their observations.

Learn more: Apple Oxidation

8. Float a marker man

Their eyes will pop out of their heads when you “levitate” a stick figure right off the table! This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink.

Learn more: Floating Marker Man

9. Discover density with hot and cold water

There are a lot of easy science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun.

Learn more: Layered Water

10. Layer more liquids

This density demo is a little more complicated, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Kids will be amazed when the liquids float one on top of the other like magic (except it is really science).

Learn more: Layered Liquids

11. Grow a carbon sugar snake

Easy science experiments can still have impressive results! This eye-popping chemical reaction demonstration only requires simple supplies like sugar, baking soda, and sand.

Learn more: Carbon Sugar Snake

12. Mix up some slime

Tell kids you’re going to make slime at home, and watch their eyes light up! There are a variety of ways to make slime, so try a few different recipes to find the one you like best.

13. Make homemade bouncy balls

These homemade bouncy balls are easy to make since all you need is glue, food coloring, borax powder, cornstarch, and warm water. You’ll want to store them inside a container like a plastic egg because they will flatten out over time.

Learn more: Make Your Own Bouncy Balls

14. Create eggshell chalk

Eggshells contain calcium, the same material that makes chalk. Grind them up and mix them with flour, water, and food coloring to make your very own sidewalk chalk.

Learn more: Eggshell Chalk

15. Make naked eggs

This is so cool! Use vinegar to dissolve the calcium carbonate in an eggshell to discover the membrane underneath that holds the egg together. Then, use the “naked” egg for another easy science experiment that demonstrates osmosis .

Learn more: Naked Egg Experiment

16. Turn milk into plastic

This sounds a lot more complicated than it is, but don’t be afraid to give it a try. Use simple kitchen supplies to create plastic polymers from plain old milk. Sculpt them into cool shapes when you’re done!

17. Test pH using cabbage

Teach kids about acids and bases without needing pH test strips! Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.

Learn more: Cabbage pH

18. Clean some old coins

Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask kids to predict (hypothesize) which will work best, then expand the learning by doing some research to explain the results.

Learn more: Cleaning Coins

19. Pull an egg into a bottle

This classic easy science experiment never fails to delight. Use the power of air pressure to suck a hard-boiled egg into a jar, no hands required.

Learn more: Egg in a Bottle

20. Blow up a balloon (without blowing)

Chances are good you probably did easy science experiments like this when you were in school. The baking soda and vinegar balloon experiment demonstrates the reactions between acids and bases when you fill a bottle with vinegar and a balloon with baking soda.

21 Assemble a DIY lava lamp

This 1970s trend is back—as an easy science experiment! This activity combines acid-base reactions with density for a totally groovy result.

22. Explore how sugary drinks affect teeth

The calcium content of eggshells makes them a great stand-in for teeth. Use eggs to explore how soda and juice can stain teeth and wear down the enamel. Expand your learning by trying different toothpaste-and-toothbrush combinations to see how effective they are.

Learn more: Sugar and Teeth Experiment

23. Mummify a hot dog

If your kids are fascinated by the Egyptians, they’ll love learning to mummify a hot dog! No need for canopic jars , just grab some baking soda and get started.

24. Extinguish flames with carbon dioxide

This is a fiery twist on acid-base experiments. Light a candle and talk about what fire needs in order to survive. Then, create an acid-base reaction and “pour” the carbon dioxide to extinguish the flame. The CO2 gas acts like a liquid, suffocating the fire.

25. Send secret messages with invisible ink

Turn your kids into secret agents! Write messages with a paintbrush dipped in lemon juice, then hold the paper over a heat source and watch the invisible become visible as oxidation goes to work.

Learn more: Invisible Ink

26. Create dancing popcorn

This is a fun version of the classic baking soda and vinegar experiment, perfect for the younger crowd. The bubbly mixture causes popcorn to dance around in the water.

27. Shoot a soda geyser sky-high

You’ve always wondered if this really works, so it’s time to find out for yourself! Kids will marvel at the chemical reaction that sends diet soda shooting high in the air when Mentos are added.

Learn more: Soda Explosion

28. Send a teabag flying

Hot air rises, and this experiment can prove it! You’ll want to supervise kids with fire, of course. For more safety, try this one outside.

Learn more: Flying Tea Bags

29. Create magic milk

This fun and easy science experiment demonstrates principles related to surface tension, molecular interactions, and fluid dynamics.

Learn more: Magic Milk Experiment

30. Watch the water rise

Learn about Charles’s Law with this simple experiment. As the candle burns, using up oxygen and heating the air in the glass, the water rises as if by magic.

Learn more: Rising Water

31. Learn about capillary action

Kids will be amazed as they watch the colored water move from glass to glass, and you’ll love the easy and inexpensive setup. Gather some water, paper towels, and food coloring to teach the scientific magic of capillary action.

Learn more: Capillary Action

32. Give a balloon a beard

Equally educational and fun, this experiment will teach kids about static electricity using everyday materials. Kids will undoubtedly get a kick out of creating beards on their balloon person!

Learn more: Static Electricity

33. Find your way with a DIY compass

Here’s an old classic that never fails to impress. Magnetize a needle, float it on the water’s surface, and it will always point north.

Learn more: DIY Compass

34. Crush a can using air pressure

Sure, it’s easy to crush a soda can with your bare hands, but what if you could do it without touching it at all? That’s the power of air pressure!

35. Tell time using the sun

While people use clocks or even phones to tell time today, there was a time when a sundial was the best means to do that. Kids will certainly get a kick out of creating their own sundials using everyday materials like cardboard and pencils.

Learn more: Make Your Own Sundial

36. Launch a balloon rocket

Grab balloons, string, straws, and tape, and launch rockets to learn about the laws of motion.

37. Make sparks with steel wool

All you need is steel wool and a 9-volt battery to perform this science demo that’s bound to make their eyes light up! Kids learn about chain reactions, chemical changes, and more.

Learn more: Steel Wool Electricity

38. Levitate a Ping-Pong ball

Kids will get a kick out of this experiment, which is really all about Bernoulli’s principle. You only need plastic bottles, bendy straws, and Ping-Pong balls to make the science magic happen.

39. Whip up a tornado in a bottle

There are plenty of versions of this classic experiment out there, but we love this one because it sparkles! Kids learn about a vortex and what it takes to create one.

Learn more: Tornado in a Bottle

40. Monitor air pressure with a DIY barometer

This simple but effective DIY science project teaches kids about air pressure and meteorology. They’ll have fun tracking and predicting the weather with their very own barometer.

Learn more: DIY Barometer

41. Peer through an ice magnifying glass

Students will certainly get a thrill out of seeing how an everyday object like a piece of ice can be used as a magnifying glass. Be sure to use purified or distilled water since tap water will have impurities in it that will cause distortion.

Learn more: Ice Magnifying Glass

42. String up some sticky ice

Can you lift an ice cube using just a piece of string? This quick experiment teaches you how. Use a little salt to melt the ice and then refreeze the ice with the string attached.

Learn more: Sticky Ice

43. “Flip” a drawing with water

Light refraction causes some really cool effects, and there are multiple easy science experiments you can do with it. This one uses refraction to “flip” a drawing; you can also try the famous “disappearing penny” trick .

Learn more: Light Refraction With Water

44. Color some flowers

We love how simple this project is to re-create since all you’ll need are some white carnations, food coloring, glasses, and water. The end result is just so beautiful!

45. Use glitter to fight germs

Everyone knows that glitter is just like germs—it gets everywhere and is so hard to get rid of! Use that to your advantage and show kids how soap fights glitter and germs.

Learn more: Glitter Germs

46. Re-create the water cycle in a bag

You can do so many easy science experiments with a simple zip-top bag. Fill one partway with water and set it on a sunny windowsill to see how the water evaporates up and eventually “rains” down.

Learn more: Water Cycle

47. Learn about plant transpiration

Your backyard is a terrific place for easy science experiments. Grab a plastic bag and rubber band to learn how plants get rid of excess water they don’t need, a process known as transpiration.

Learn more: Plant Transpiration

48. Clean up an oil spill

Before conducting this experiment, teach your students about engineers who solve environmental problems like oil spills. Then, have your students use provided materials to clean the oil spill from their oceans.

Learn more: Oil Spill

49. Construct a pair of model lungs

Kids get a better understanding of the respiratory system when they build model lungs using a plastic water bottle and some balloons. You can modify the experiment to demonstrate the effects of smoking too.

Learn more: Model Lungs

50. Experiment with limestone rocks

Kids  love to collect rocks, and there are plenty of easy science experiments you can do with them. In this one, pour vinegar over a rock to see if it bubbles. If it does, you’ve found limestone!

Learn more: Limestone Experiments

51. Turn a bottle into a rain gauge

All you need is a plastic bottle, a ruler, and a permanent marker to make your own rain gauge. Monitor your measurements and see how they stack up against meteorology reports in your area.

Learn more: DIY Rain Gauge

52. Build up towel mountains

This clever demonstration helps kids understand how some landforms are created. Use layers of towels to represent rock layers and boxes for continents. Then pu-u-u-sh and see what happens!

Learn more: Towel Mountains

53. Take a play dough core sample

Learn about the layers of the earth by building them out of Play-Doh, then take a core sample with a straw. ( Love Play-Doh? Get more learning ideas here. )

Learn more: Play Dough Core Sampling

54. Project the stars on your ceiling

Use the video lesson in the link below to learn why stars are only visible at night. Then create a DIY star projector to explore the concept hands-on.

Learn more: DIY Star Projector

55. Make it rain

Use shaving cream and food coloring to simulate clouds and rain. This is an easy science experiment little ones will beg to do over and over.

Learn more: Shaving Cream Rain

56. Blow up your fingerprint

This is such a cool (and easy!) way to look at fingerprint patterns. Inflate a balloon a bit, use some ink to put a fingerprint on it, then blow it up big to see your fingerprint in detail.

57. Snack on a DNA model

Twizzlers, gumdrops, and a few toothpicks are all you need to make this super-fun (and yummy!) DNA model.

Learn more: Edible DNA Model

58. Dissect a flower

Take a nature walk and find a flower or two. Then bring them home and take them apart to discover all the different parts of flowers.

59. Craft smartphone speakers

No Bluetooth speaker? No problem! Put together your own from paper cups and toilet paper tubes.

Learn more: Smartphone Speakers

60. Race a balloon-powered car

Kids will be amazed when they learn they can put together this awesome racer using cardboard and bottle-cap wheels. The balloon-powered “engine” is so much fun too.

Learn more: Balloon-Powered Car

61. Build a Ferris wheel

You’ve probably ridden on a Ferris wheel, but can you build one? Stock up on wood craft sticks and find out! Play around with different designs to see which one works best.

Learn more: Craft Stick Ferris Wheel

62. Design a phone stand

There are lots of ways to craft a DIY phone stand, which makes this a perfect creative-thinking STEM challenge.

63. Conduct an egg drop

Put all their engineering skills to the test with an egg drop! Challenge kids to build a container from stuff they find around the house that will protect an egg from a long fall (this is especially fun to do from upper-story windows).

Learn more: Egg Drop Challenge Ideas

64. Engineer a drinking-straw roller coaster

STEM challenges are always a hit with kids. We love this one, which only requires basic supplies like drinking straws.

Learn more: Straw Roller Coaster

65. Build a solar oven

Explore the power of the sun when you build your own solar ovens and use them to cook some yummy treats. This experiment takes a little more time and effort, but the results are always impressive. The link below has complete instructions.

Learn more: Solar Oven

66. Build a Da Vinci bridge

There are plenty of bridge-building experiments out there, but this one is unique. It’s inspired by Leonardo da Vinci’s 500-year-old self-supporting wooden bridge. Learn how to build it at the link, and expand your learning by exploring more about Da Vinci himself.

Learn more: Da Vinci Bridge

67. Step through an index card

This is one easy science experiment that never fails to astonish. With carefully placed scissor cuts on an index card, you can make a loop large enough to fit a (small) human body through! Kids will be wowed as they learn about surface area.

68. Stand on a pile of paper cups

Combine physics and engineering and challenge kids to create a paper cup structure that can support their weight. This is a cool project for aspiring architects.

Learn more: Paper Cup Stack

69. Test out parachutes

Gather a variety of materials (try tissues, handkerchiefs, plastic bags, etc.) and see which ones make the best parachutes. You can also find out how they’re affected by windy days or find out which ones work in the rain.

Learn more: Parachute Drop

70. Recycle newspapers into an engineering challenge

It’s amazing how a stack of newspapers can spark such creative engineering. Challenge kids to build a tower, support a book, or even build a chair using only newspaper and tape!

Learn more: Newspaper STEM Challenge

71. Use rubber bands to sound out acoustics

Explore the ways that sound waves are affected by what’s around them using a simple rubber band “guitar.” (Kids absolutely love playing with these!)

Learn more: Rubber Band Guitar

72. Assemble a better umbrella

Challenge students to engineer the best possible umbrella from various household supplies. Encourage them to plan, draw blueprints, and test their creations using the scientific method.

Learn more: Umbrella STEM Challenge

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Top 5 physics experiments you can do at home

October 17, 2022 By Emma Vanstone Leave a Comment

Physics is key to understanding the world around us. While some aspects may seem tricky to understand, many fundamental physics concepts can be broken down into simple concepts, some of which can be demonstrated using basic equipment at home.

This list of 5 physics experiments you can try at home is a great starting point for understanding physics and, hopefully a source of inspiration for little scientists everywhere!

Physics experiments you can do at home

1. archimedes and density.

The story behind Archimedes’ discovery of density is that he was asked by the King of Sicily to work out whether a goldsmith had replaced some gold from a crown with silver. Archimedes needed to determine if the goldsmith had cheated without damaging the crown.

The crown weighed the same as the gold the King had given the goldsmith, but gold is more dense than silver, so if there were silver in the crown its density would be less than if it were pure gold. Archimedes realised that if he could measure the crown’s volume, he could work out its density, but calculating the volume of a crown shape was a tough challenge. According to the story, Archimedes was having a bath one day when he realised the water level rose as he lowered himself into the bathtub. He realised that the volume of water displaced was equal to the volume of his body in the water.

Archimedes placed the crown in water to work out its density and realised the goldsmith had cheated the king!

Density Experiment

One fun way to demonstrate density is to make a density column. Choose a selection of liquids and place them in density order, from the most dense to the least dense. Carefully pour a small amount of each into a tall jar or glass, starting with the most dense. You should end up with a colourful stack of liquids!

2. Split light into the colours of the rainbow

Isaac Newton experimented with prisms and realised that light is made up of different colours ( the colours of the rainbow ). Newton made this discovery in the 1660s. It wasn’t until the 1900s that physicists discovered the electromagnetic spectrum , which includes light waves we can’t see, such as microwaves, x-ray waves, infrared and gamma rays.

How to split light

Splitting white light into the colours of the rainbow sounds tricky, but all you need is a prism. A prism is a transparent block shaped so light bends ( refracts ) as it passes through. Some colours bend more than others, so the whole spectrum of colours can be seen.

If you don’t have a prism, you can also use a garden hose! Stand with your back to the sun, and you’ll see a rainbow in the water! This is because drops of water act like a prism.

3. Speed of Falling Objects

Galileo’s falling objects.

Aristotle thought that heavy objects fell faster than lighter objects, a theory later disproved by Galileo .

It is said that Galileo dropped two cannonballs with different weights from the leaning tower of Pisa, which hit the ground at the same time. All objects accelerate at the same rate as they fall.

If you drop a feather and a hammer from the same height, the hammer will hit the ground first, but this is because of air resistance!

If a hammer and feather are dropped somewhere with no air resistance, they hit the ground simultaneously. Commander David Scott proved this was true on the Apollo 15 moonwalk!

Hammer and Feather Experiment on the Moon

Brian Cox also proved Galileo’s theory to be correct by doing the same experiment in a vacuum!

While you won’t be able to replicate a hammer or heavy ball and feather falling, you can investigate with two objects of the same size but different weights. This means the air resistance is the same for both objects, so the only difference is the weight.

Take two empty water bottles of the same size. Fill one to the top with water and leave the other empty. Drop them from the same height. Both will hit the ground at the same time!

4. Newton’s Laws of Motion

Sir Isaac Newton pops up a lot in any physics book as he came up with many of the laws that describe our universe and is undoubtedly one of the most famous scientists of all time. Newton’s Laws of Motion describe how things move and the relationship between a moving object and the forces acting on it.

Making and launching a mini rocket is a great way to learn about Newton’s Laws of Motion .

The rocket remains motionless unless a force acts on it ( Newton’s First Law ).

The acceleration of the rocket is affected by its mass. If you increase the mass of the rocket, its acceleration will be less than if it had less mass ( Newton’s Second Law ).

The equal and opposite reaction from the gas forcing the cork downwards propels the rocket upwards ( Newton’s Third Law ).

4. Pressure

Pressure is the force per unit area.

Imagine standing on a Lego brick. If you stand on a large brick, it will probably hurt. If you stand on a smaller brick with the same force it will hurt more as the pressure is greater!

Snowshoes are usually very wide. This is to reduce the pressure on the snow so it sinks less as people walk on it.

Pressure and Eggs

If you stand on one egg, it will most likely break. If you stand on lots of eggs with the same force, you increase the area the force is applied over and, therefore, reduce the pressure on each individual egg.

That’s five easy physics experiments you can do at home! Can you think of any more?

Last Updated on June 14, 2024 by Emma Vanstone

Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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ICSE Physics Class-8

Icse physics class 8, icse class 8: an overview.

The Indian Certificate Examination Council, established in 1958, offers the ICSE curriculum (Indian Council of Secondary Education). The ICSE syllabus focuses on applying principles learned, whereas the CBSE syllabus focuses on learning and retaining theoretical material. While most chapters are identical to those taught in CBSE, the ICSE syllabus provides the most depth and immersion in each. The ICSE class 8 program is good to help students prepare for a comprehensive program and mandatory topics in the upper grades.

The system’s primary components are the utilization of data and the development of analytical abilities. Class eighth serves as a year of preparation for students in Classes ninth and tenth who have enrolled themselves in the ICSE program. Students take English as a first language, French or Hindi as a second language, and courses such as Mathematics, History, Civics and Geography, Science (Physics, Chemistry, and Biology), Natural Sciences, and Computer Studies cover core subjects.

Chapter-1 Matter

This chapter is also known as the kinetic theory of matter and the topics covered in this are, the various states of matter like solid, liquid, and gaseous, and their energy content are clearly explained here. Change of state of matter with respect to kinetic theory i.e., terms like boiling, melting, vaporization, freezing, evaporation, sublimation, deposition, etc are also explained in detail here with examples and diagrams for better understanding.

Chapter-2 Physical Quantities and Measurement

This chapter is divided into three sub-chapters, they are

• Density This subchapter involves definitions, formulas, measurement of density, applications in daily life, and problems related to density are discussed in the above subchapter.
• Relative density In this subchapter, the definition of relative density and a few problems based on it are discussed here.
• Measurement of density of fluids Here, mainly some basic concepts are discussed, the concept of flotation and sinking of a substance is explained here with the concept of density, comparison of three states are also discussed in this subtopic

Chapter-3 Force and Pressure

Mainly this chapter is divided into two sub-topics, they are

• Moment of force Here the definitions, formulas related to the turning effect of force are explained in detail.
• Pressure Here definition, units are discussed and other subtopics like factors affecting pressure and pressure exerted by liquids and gases are also explained.

Chapter-4 Energy

Here, topics like concept of work, units of work, formulas of work and calculations of work done in simple cases, Basic concepts of kinetic energy and potential energy, the concept of gravitational potential energy is also discussed, Energy transformation in day to day life is also explained and some basic concepts of power has also discussed the difference between energy and power is also explained.

Chapter-5 Light Energy

This chapter is divided into two parts, they are:

• Refraction: Here starting with the definition of refraction, its properties, and characteristics are explained clearly with the help of examples and experiments for better understanding.
• Curved Mirrors: Here topics like concave, convex, reflecting surface, uses of curved mirrors along with terms like focus, principal axis, the center of curvature, the radius of curvature, white light into constituent colors experiment are also discussed in detail here with examples.

Chapter-6 Heat Transfer

Here in this chapter the topics like definition and difference boiling and evaporation, terms like linear, thermal, superficial, volume expansion definitions, properties, characteristics are discussed here. Also, expansivity in solids, liquids, gases are followed by examples and applications for better understanding.

Chapter-7 Sound

Here in this chapter topics like sound basic introduction, terms like amplitude, period, frequency, pitch, loudness, and units of loudness are discussed here with suitable examples and experiments for deeper understanding.

Chapter-8 Electricity

Here in this chapter topics like safety components, static electricity, terms like identity live wire, neutral wire, conduction, induction, electroscope, lightning conductor, battery connected in series are the important topics covered in this chapter.

Solved Examples For Physics Class 8

The ICSE course structure is designed in a manner to ensure that students do not go through a lot of pressure, moreover, books are made interactive and interesting for students to enjoy their studies. A lot of fun activities are included in between the chapters to help students learn in a playful way. It makes the process of conveying knowledge to the students efficient and healthy.

• Chapter 1- Matter
• Chapter 2- Physical Quantities and Measurement
• Chapter 3- Force and Pressure
• Chapter 4- Energy
• Chapter 5- Light Energy
• Chapter 6- Heat Transfer
• Chapter 7- Sound
• Chapter 8.1- Current Electricity
• Chapter 8.2- Static Electricity

Important Questions For Physics Class 8

Icse physics class 8 videos.

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