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Lesson Plan Gr. 4 Natural Sciences and Technology T3 W7

Grade 4 Lesson Plan on Energy and Change & Systems and Control with focus on the CAPS Topics Energy and Sound, addressing the Content: Vibrations and sound; Making sounds and Noise pollutions. It has activities and resources to guide and assist Teachers, Learners and Parents.

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4th Grade Science Projects: Experiments, Challenges, Explorations, And More

October 14, 2023 //  by  Lauren Du Plessis

Our list of unique science projects is a sure winner when sourcing ideas that are appropriate to the 4th grade learner. Science is a vital component of STEM-based activities and our top 57 project ideas are sure to increase creativity, develop critical thinking abilities as well as effective communication and collaboration skills.

1. Flashlight Creation

Discover simple electric circuit rules when creating this nifty paper flashlight! This project is the perfect experiment for kids as it’s sure to highlight the science behind batteries.

Learn More: Flashlight Creation

2. Lemon Volcano

Have a blast creating this erupting lemon volcano! By using average household supplies, 4th graders discover the properties of both acids and bases and learn how the interaction between them causes a chemical reaction.

Learn More: Lemon Volcano

3. Earthquake Simulation

Set a dish of jelly and then go about building a structure on it. Upon completion of the structure, wobble the dish so that the jelly shakes and disrupts the structure- in turn demonstrating the science of seismology.

Learn More: Earthquake Simulation

4. Design a Hovercraft

Time after time, this proves to be one of the best experiments for demonstrating the power of the air. Unveil properties of friction and air pressure as you design a floating hovercraft!

Learn More: Design a Hovercraft

5. Make a Microscope 

A cause for STEM excitement! This wonderful project demonstrates how water droplets curve to create a convex lens and in turn, refract light and magnify objects.

Learn More: Make a Microscope

6. How Chameleons Change Color

Create a mesmerizing color show as an interactive poster that demonstrates how chameleons change color ass the middle wheel spins.

Learn More: How Chameleons Change Color

7. How Your Body is Similar to a Car

Just as we source our energy from food, cars source theirs from gasoline. Further, demonstrate how energy is stored and released with the help of simple materials such as rubber bands.

Learn More: How Your Body is Similar to a Car

8. Discover Newton’s Law

With the aid of a string of beads, highlight Newton’s Law of Gravity as the beads are tugged ever so slightly and then begin to fall from the cup.

Learn More: Discover Newton’s Law

9. Egg Drop

Students are encouraged to source material from home that they will use to create a protective barrier for their egg before dropping it to measure the effectiveness of their contraption in preventing their egg from cracking.

Learn More: Egg Drop

10. Static Electricity Science

Discover the science of static electricity in a fun way by building an electroscope to demonstrate the forces of attraction and repulsion!

Learn More: Static Electricity Science

11. Demonstrate Water Erosion

This hands-on, ocean science project is perfect for teaching students about coastal erosion and requires the use of simple materials such as a dish, sand, plastic bottle, stones, and water.

Learn More: Demonstrate Water Erosion

12. Milk Plastic

This unique experiment can lead to hours of crafting fun as 4th grade students learn how to create plastic from milk!

Learn More: Milk Plastic

13. Salt Water Density Experiment

The properties of water and density are highlighted in this science project as children discover that saltwater is denser than normal water.

Learn More: Salt Water Density Experiment

14. Make Unstoppable Bubbles

By combining the traditional soapy bubble mixture with glycerin, students learn about how the original mixture evaporates from stronger bubbles.

Learn More: Make Unpoppable Bubbles

15. Discover More about Blood Components

Biology is an important component of life but should be approached in a fun and simplified manner when working with 4th graders. Discover more about blood components by crafting “blood” model jars!

Learn More: Discover More about Blood Components

16. Could Dominoes knock a Building Over

Discover the effects of chain reactions with the help of this easy science fair project idea before posing the question of whether or not dominos could knock down a building!

Learn More: Could Dominos Knock a Building Over

17. How Neon Signs Work

By making use of a small gas tube in this cool experiment, 4th graders will be intrigued to learn about how neon signs work.

Learn More: How Neon Signs Work

18. Anemometer

Discover wind speed with the help of your very own anemometer! Simple earth science is unveiled with the help of a simple garden contraption made from paper cups, straws, tape, a pencil, and a thumbtack.

Learn More: Anemometer

19. Make Recycled Paper

Although making recycled paper can at times be a process, it is extremely satisfying! Students watch how water is first absorbed by their shredded paper and then, towards the end of the process, how it is drained away- leaving a recycled piece of paper in its place.

Learn More: Make Recycled Paper

20. Nonrenewable Resources

What better way to highlight the depletion of non-renewable resources, than by making use of noodle- mining in a competitive game or project! This hands-on activity is perfect for elementary-age students to use as an earth science project.

Learn More: Nonrenewable Resources

21. Balloon Rocket

This simple, yet fun, activity depicts Newton’s law of motion perfectly. By using household materials such as a balloon, straw, clothespin, and line, your students will discover that for every action, there is an equal or opposite reaction. Ready for blast off!

Learn More: Design Dazzle

22. Cloud Science

With the help of this exciting cloud science project, your 4th grad students will grasp the concept of the water cycle in no time! With the help of a paper cup, plastic zip-top bag, tape, and water students discover how water moves from the ground into the air, then forming clouds before falling back to earth as rain.

Learn More: Cloud Science

23. Blow up a Balloon with Vinegar and Baking Soda

Intrigue 4th grade science students with this experiment that sees balloons magically inflate when baking soda and vinegar combine and generate carbon dioxide.

Learn More: Blow up a Balloon with Vinegar and Baking Soda

24. Cellphone Projector

Not only is this a great science project, but most of the materials used are recycled materials. This simple project is perfect for teaching complex rules such as the refraction of light.

Learn More: Cellphone Projector

25. Create a working elevator 

Students are encouraged to make use of various materials in order to create a working elevator that has a crank and is able to bear a load.

Learn More: Create a Working Elevator

26. Ocean current simulator 

By making use of water, food coloring, an empty dish, and plastic sea creatures, students learn how ocean currents are formed in this simple science project.

Learn More: Ocean Current Simulator

27. Bacteria grower

A simple Agar solution, that has been set in various Petri dishes, is the perfect breeding ground for bacteria. Swab items that the students use on a daily basis and wipe the swab’s on the dishes, then leaving them covered in order to grow and visually depict that bacteria are hiding all around us.

Learn More: Bacteria Grower

28. Wiggle Bot

Craft your very own Wigglebot! Using simple tools and supplies, 4th graders have the opportunity to work with potential energy in a fun manner!

Learn More: Wiggle Bot

29. Crystal names

Make science fun as students grow an edible, crystalized version of their names on pipe cleaners ! This is just one of the many edible science projects out there for kids so be sure to get creative and see what you can make!

Learn More: Crystal Names

30. Capillary Action

Teach the concept of capillary action with this spectacular rainbow glass display! This is a fantastic opportunity for students to learn about color mixing and how water travels.

Learn More: Capillary Action

31. Design a Working Lung Model

Explore more about the natural phenomenon of breath with this cool project. Design a working lung model using a plastic bottle, straws, balloons, sticky tape, and scissors.

Learn More: Kiwi Co

32. Make It Glow

Discover which water mixture will glow using black light to test regular water with highlighter dye, tonic water, and tap water.

Learn More: Cool Science Experiments HQ

33. Explore Tooth Decay

Learn about tooth decay using eggs and an assortment of drinks such as sugar water, soda, and milk. This project is wonderful for visually illustrating the effects of sugar products on teeth.

Learn More: Sciencing

34. Build a Hygrometer

Measure humidity with the help of your very own hygrometer made from a piece of wood and plastic, nails, a dime, glue, tape, a hammer, and a pair of scissors.

Learn More: We Have Kids

35. Discover Osmosis

Learn about osmosis with the help of this fun and colorful gummy bear science project!

Learn More: Homeschool

36. Rotting foods 

This experiment helps to develop thorough observation skills. Reveal which, out of an assortment of foods, will be the first to rot and discover what accelerates the process.

Learn More: No Time for Flash Cards

37. Create a Sundial

Turn back time as you craft an old-fashioned mechanism that helped ancient civilizations such as the Egyptians, Mayans, and Babylonians tell the time.

Learn More: Explorable

38. Make a fossil

Learn how fossils are formed as you leave your mark in a plaster of Paris cast. Consider casting an imprint using a toy to make this activity even more fun!

Learn More: YouTube

39. Build a Rubber Band Guitar

Explore the science of sound as you build a rubber band guitar using a heap of rubber bands and other simple materials.

Learn More: BBC Good Food

40. Make a Water Microscope

Make a microscope to allow you to examine certain objects in greater detail. You’ll need a piece of fuse wire, water and an assortment of objects to look analyze.

Learn More: Science Kids

41. Skittles Spectacular

Roll out the rainbow with this fun project!  Demonstrate the diffusion process to your class using Skittles. This colorful experiment will certainly intrigue your pupils and make them eager to learn more. To carry it out, simply have your kiddies place a few Skittles on a plate and cover them with water before stepping back to watch the reaction that takes place.

Learn More: Rookie Parenting Science

42. Water Wonders: Sink or Float

This idea provides an excellent way to foster a healthy curiosity and understanding of fundamental physics principles. Encourage your students to hypothesize which household items will sink or float, before putting their theories to the test by placing selected items into a basin of water.

43. The Sun-Powered Oven Project

Let your students harness the power of the sun by using a pizza box and transforming it into a solar oven. They can easily harness the sun’s rays by wrapping the box in aluminum foil and other materials to figure out the best way to capture the heat and then get baking. This is an engaging and memorable way to introduce solar energy that’s sweetened by the chance to make and enjoy s’mores!

Learn More: Science Buddies

44. The Journey of a Light-Chasing Plant

Start your lesson with a question: Can plants solve mazes? The concept of phototropism will come alive as your students try to solve this problem by guiding a small plant through a simple cardboard maze toward the light. The result? A thrilling, real-time adventure demonstrating a plant’s instinctual growth response to sunlight that your class will love.

Learn More: Mama Smiles

45. Pinecone Predictions

Challenge your class to be better than the weatherman! Teach your youngsters about humidity and weather changes using a humble pinecone. Simply hang a few cones around the school and prompt your children to observe them; open or closed tells a story about the humidity. They’ll be fascinated to discover how the pinecone’s responses can predict weather conditions.

Learn More: Play to Learn Preschool  

46. Fruit-Powered Fun

You can turn everyday fruits into a source of electricity and marvel with your students as lemons, oranges, or apples light up a bulb or power a digital clock. All you need is a piece of fruit, some wire, and a few nails to engage your learners in a  hands-on project that illustrates the concept of electrical circuits.

Learn More: Kids Activities Blog

47. Shadow Dance

Embark on a day-long shadow-tracking exercise with your students to understand more about the Earth’s rotation. To do so, have them record the changing shadow of a stick at different times throughout the day to visually depict the Earth spinning on its axis. 

Learn More: Inventors of Tomorrow

48. Popsicle Power Play

Allow physics to meet creativity when you encourage your students to construct a catapult out of popsicle sticks and elastic bands. To begin, have them research the best methods for creating the most force. As your kiddos thrill in testing which items the catapult can launch and whose items travel the furthest, they’ll be learning about the concept of potential and kinetic energy transformation.

49. Greenhouse Effect Model

Using jars, thermometers, and plastic wrap, you can simulate the greenhouse effect right in your very own classroom. Provide your students with the necessary materials and instruct them to add the same amount of ice to each jar. Then, have them wrap one jar in plastic and leave the other open before placing them in the sun for a few hours. Lastly, prompt your young scientists to formulate their conclusions after measuring the temperature in each jar. 

Learn More: STEAM Powered Family

50. Pulling with Pulleys

Mechanical advantage and work take center stage in this hands-on activity. By encouraging your young scientists to create a simple pulley system with a spool and string, they can explore mechanical advantage and the concept of work. This hands-on project will help you make complex physics principles that much more observable and fun.

51. Determining Densities

Allow your learners to explore density in a hands-on activity of the senses. As they pour honey, dish soap, water, and oil into a clear container, the differing densities will reveal themselves in a striking visual display.

52. Edible Genetics

Sweets in a classroom seem to have a magical attention-grabbing power. Use this to your advantage when teaching genetics by having your students create an edible DNA model. With colored marshmallows or jelly sweets and toothpicks, they’ll come to understand the double helix structure in a fun, tasty way.

Learn More: Hess UnAcademy

53. The Rainfall Recorder

This is an easy project that introduces practical meteorological skills and fosters scientific curiosity. Empower your students to measure rainfall and track this over time with a homemade rain gauge. Use an empty bottle with the top cut off and then instruct your class to carefully fill the bottle in 20 ml increments; carefully marking the lines to ensure accuracy. 

54. Magnetism Unveiled

Reveal the hidden world of magnetic fields to your students by engaging them in a project that uses a bar magnet and iron filings. They can simply lay the magnet under a piece of thin card stock and sprinkle the filings over the card. The result is a practical way for your budding scientists to visualize the unseen forces of magnetism; fostering a deeper understanding of this fundamental physical phenomenon.

55. Miniature Volcanic Eruption

Unleash the dramatic spectacle of a volcanic eruption in your classroom. Have your kiddos create a volcanic mountain with a cup in the center. Add baking soda to the cup and then slowly pour in the vinegar; resulting in a chemical reaction that will blow your young scientists’ minds. 

56. Invisible Ink Adventures

Introduce your students to the secret world of invisible ink with lemon juice. Get ready by preparing lemon juice, a brush or cotton swab, white paper, and a heat source. Ask your students to dip their brushes in lemon juice and use them to write or draw on the piece of paper. Then, help them carefully heat the piece of paper with a light bulb or iron to the secret message. It’s a playful way to learn about acidic and basic properties and will allow your young investigators to reveal hidden messages just like detectives.

57. Oil Spill Cleanup Challenge

Conduct an environmental experiment with your class by simulating an oil spill using feathers, oil, and various cleaning materials. To a shallow tray, add water before scattering a few small feathers and then slowly spilling the oil into it. Once they’ve had the chance to marvel at the unique patterns that the different liquid densities create,  challenge them to solve the problem of removing the oil. This hands-on activity will emphasize the impact of pollution on the environment; helping you spark thought-provoking discussions about conservation and responsibility.

Learn More: Super Teacher Worksheets

The activities we’ve provided are perfectly adaptable and may be employed in individual, pair, or group settings. Be inspired to design creative classes with the help of our comprehensive list of science projects above. We strive to make learning fun whilst still highlighting the key concepts of science in a simplified manner.

Frequently Asked Questions

Why is science important for 4th graders.

Science-based learning at an elementary level introduces students to a STEM-based classroom focus and opens them up to STEM-related careers at a young age. Students discover key concepts about the world around them- unveiling properties of water, electrical currents, animals, ocean currents and so much more along the way!

Kids Art & Craft

Science experiments for class 4 with explaination – simple fair project models.

Kids Activities

This article provides simple science experiments for class 4 students. Each experiment includes an easy-to-understand explanation that makes it perfect for educational use in the classroom. Explore the different fair project models to find the best fit for learning.

If you’re searching for creative Science Experiments and projects for Grade 4, you’re in the right place! Keep your learning spirit alive with our curated list of Science Experiments and projects like Force And Motion Stations, Refraction, Crystal Names, Rainbow, Sundial, Edible DNA, Experiment with Vinegar  Alcohol, and water, Mood Ring, DIY Engineering Projects, and Ocean Currents.

Science Experiments & Projects for Grade 4

Read More: 10 Simple Science Experiments for 3-5 Year Olds

Force And Motion Stations – Simple Science Project Ideas For Kids

Image Source/Tutorial: Ashleigh-Education Journey

Light Total Refraction Trick for Kids With Explanation

Image Source/Tutorial: Ronyes Tech

Crystal Names – Science Experiments For Grade 4

Image Source/Tutorial: Play Dough To Plato

Rainbow Science Experiment Ideas for School Kids

Image Source/Tutorial: Little Bins For Little Hands

Learn How To A Make Sundial Science Project For 5th Grade

Image Source/Tutorial: Rhythms Of Play

Read More: 15 Fun Balloon Science Experiments for Kids

Learn How to Make Edible DNA For Science Buddies

Image Source/Tutorial: Wiki How

Science Experiment For Kids With Vinegar, Alchohol & Water

Image Source/Tutorial: Around The Kamp Fire

Mood Ring Science Experiment For 8th Grade

Image Source/Tutorial: Education

DIY Engineering Project Ideas For School Kids

Image Source/Tutorial: 123 Home School 4 Me

Ocean Currents – Water Science Experiment Methods For Kids

Image Source/Tutorial: Life Over C’s

I hope you like our list of Science Experiments and projects for Grade 4 and will surely try to make them. If you like our ideas and want to read more crafts ideas, Keep visiting our website for the latest DIY ideas and other creative stuff for kids, parents, and teachers. Please let us know in the comment section which Science Experiment and project you like the most.

Thank you and have a nice day!

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More Articles from Kids Art & Craft

• 1st Grade Science Projects for School
• Scientific Crafts for Toddlers Using Straws – Cool Science Projects
• Explosion Experiments For Kids
• Easy Science Experiments for Kids To Do At Home
• Ice Science Experiments For Kids

Related posts:

• Walking Water Rainbow Science Experiment for Kids
• Fun Balloon Science Experiments for Kids
• 10 Simple Science Experiments for 3-5 Year Olds
• Science Projects for Grade 2
• Engineering Projects for 5th Grade
• Science Experiments and Activities for 2nd Grade
• Science Experiments for Science Fairs
• Fun Science Crafts And Experiments for Kids

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50 Fantastic 4th Grade Science Projects and Experiments

Nothing gets kids more excited for science than hands-on experiments! Watch your 4th grade science students’ eyes light up when they try some of these activities. You’ll find physics, biology, engineering, chemistry, and more. These projects are easy to set up and really help drive the learning home. Get ready for some science fun!

To help you find the right 4th grade science projects and activities, we’ve rated them all based on difficulty and materials:

Difficulty:

• Easy: Low or no-prep experiments you can do pretty much any time
• Medium: These take a little more setup or a longer time to complete
• Advanced: Experiments like these take a fairly big commitment of time or effort
• Basic: Simple items you probably already have around the house
• Medium: Items that you might not already have but are easy to get your hands on
• Advanced: These require specialized or more expensive supplies to complete

4th Grade Science Fair Projects

These 4th grade experiments also work well as science fair projects. Try changing up the variables to turn it into a real experiment, then form a hypothesis and find out what happens.

Blow unpoppable bubbles

Difficulty: Easy / Materials: Medium

A soap bubble you can hold in your hand? It’s true! A little glycerin makes the soap bubble layers stronger, so you can even toss them gently from person to person.

Learn more: Unpoppable Bubbles Experiment at Learning Resources

Grow crystal names

No list of 4th grade science projects would be complete without crystals! Kids of all ages love growing crystals, making this an ideal way to learn about supersaturated solutions. The classic experiment gets a new twist when you have kids shape pipe cleaners into their own names first.

Learn more: Crystal Letters at Playdough to Plato

Grow bacteria in petri dishes

Difficulty: Medium / Materials: Medium

Your students will truly feel like scientists when they perform this classic experiment. They’ll prep the dishes with agar, swab different surfaces, and see what bacteria they grow. It’s gross science, but it’s also easy and impressive.

Learn more: Growing Bacteria at Steve Spangler Science

See coastal erosion in action

Here’s a cool experiment to include in your unit on oceans. Build a miniature coastline, then see how wave action erodes the shore.

Learn more: Erosion Experiment at Little Bins for Little Hands

Erupt a lemon volcano

Difficulty: Easy / Materials: Basic

Early chemistry experiments with acids and bases are always a lot of fun. This one uses the natural acids of lemon juice and adds a little food coloring to up the wow factor.

Learn more: Lemon Volcano at STEAM Powered Family

Sink and float to explore density

Adding items like salt or sugar to water changes its density, as does the temperature itself. Turn this into a 4th grade science fair project by experimenting with different solutions and forming hypotheses about the results.

Learn more: Salt Water Density at Science Kiddo

Discover a density rainbow

Difficulty: Medium / Materials: Basic

Colorful, simple, and impressive: It’s the trifecta of 4th grade science experiments! Wow your students by layering colored sugar water as you learn about density, adhesion, and cohesion.

Transform milk into plastic

Plastic seems incredibly modern, but people have been making casein plastic from milk for centuries. In this 4th grade science project, students experiment to create the formula for the best milk plastic. They’ll be amazed at the results!

Simulate an earthquake

The ground under our feet may feel solid, but an earthquake changes that pretty quickly. Use Jell-O to simulate the Earth’s crust, then see if you can build an earthquake-proof structure for a practical and fascinating 4th grade science fair project.

Learn more: Earthquake Simulation at Teaching Science

Test Sharpie solubility

Find out if Sharpie markers are really permanent with this 4th grade science project that uses the scientific method to explore solutes and solvents.

Learn more: Sharpie Solubility at Around the Kampfire

Find out if mood rings really work

Apply the rigors of the scientific method to mood rings ! Find out what makes mood rings change color, then see if they really reflect a person’s mood.

Learn more: Mood Rings Validity Test at Education.com

Create a new plant or animal

Kids will really get into this project, indulging their creativity as they invent a plant or animal that’s never been seen before. They’ll need to be able to explain the biology behind it all, though, making this an in-depth project you can tailor to any class.

Learn more: Create an Organism at I Love 2 Teach

Investigate decomposition

Difficulty: Easy / Materials: Easy

Yup, it’s gross … so kids will love it! Seal food items in a plastic bag and experiment to see what factors affect their decomposition, helped along by a heaping dose of mold.

Learn more: Decomposition at Mystery Science

Assemble a lung model

With just a few supplies including balloons and a plastic bottle, you can make an impressive working model of human lungs. This makes a very cool 4th grade science fair project.

Explore the causes of tooth decay

They hear it from their parents all the time, but this experiment will prove to your students once and for all what can happen to their teeth when exposed to different drinks such as soda and milk. This is one of those classic 4th grade science fair projects every kid should try.

4th Grade STEM Challenge Science Projects

For students who love to tinker, STEM challenges can spark incredible 4th grade science fair projects. Here are some of our favorites for this age group.

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 . ( Get more 4th grade STEM challenges here. )

Learn more: Drinking Straw Roller Coaster at Frugal Fun for Boys and Girls

Make a wigglebot

Who knew electricity could be so adorable? Explore the science behind batteries and motors by creating a simple “wigglebot.” Experiment with weights to throw the motor off balance and create fun designs.

Learn more: Wigglebot at Research Parent

Construct a working flashlight

You’ll only need a few supplies to guide your students in building their own LED flashlights. They’ll learn how electricity travels and the way circuits work. The slideshow available through the link makes this lesson a breeze for teachers too.

Learn more: DIY Flashlight at Mystery Science

Build a hovercraft

It’s not exactly the same model the military uses, but this simple hovercraft is a lot easier to build. An old CD and a balloon help demonstrate air pressure and friction in this fun 4th grade science experiment.

Learn more: DIY Hovercraft at Education.com

Create a smartphone projector

No projector in your classroom yet? No problem! Have your students help you construct one for your smartphone using a cardboard box and large magnifying glass . They’ll learn about convex lenses and how the brain processes images too.

Learn more: DIY Smartphone Projector at The STEM Laboratory

Set up a pulley system

The science of machines never fails to fascinate kids. In this experiment, they’ll design their own pulley system to make it easier to lift an object.

Learn more: DIY Pulley at 123 Homeschool 4 Me

Design a working elevator

Engineering activities make for amazing hands-on learning. Challenge your 4th grade students to build an elevator that can safely lift a certain amount of weight.

Make a model seismometer

Explore the science of seismology and learn how scientists study earthquakes and their effects. This model seismometer is easy to build and fun to experiment with.

Learn more: Model Seismometer at Science Sparks

Conduct an egg drop

Here’s one more classic to add to our list of 4th grade science experiments: the egg drop! The great thing about this project is that kids can do it at any age, with different materials and heights to mix it up. Hit the link below to get an egg drop project designed just for 4th graders.

Learn more: Egg Drop at Buggy and Buddy

Demonstrate Newton’s laws of motion with balloon rockets

Who doesn’t love balloon rockets?! Your students will have a blast(off) displaying Newton’s third law of motion while learning about physics.

4th Grade Motion and Energy Science Activities

Many 4th grade science standards include units on energy and motion. These energy science activities offer cool hands-on ways to spice up your classroom lessons.

Flick marbles to learn transfer of energy

This experiment is a bit of a thinker: What will happen when one moving marble hits several stationary marbles sitting in a row? Flick the first marble and find out!

Learn more: Marble Energy Transfer at Frugal Fun for Boys and Girls

See energy transfer in action with sports balls

Place a tennis ball on top of a basketball and bounce them together to see how energy transfers from one object to another. This one is very easy, and kids will love seeing how high they can get the balls to bounce!

Go an on energy scavenger hunt

Emphasize the fact that energy is all around us in one form or another with this easy, free printable energy science activity. For a more advanced version, help students identify each kind of energy (kinetic, stored, heat, etc.) they find.

Learn more: Energy Scavenger Hunt at The Science Penguin

See a heat-powered windmill demonstrate convection

Heat rises, and its interaction with cooler air creates convection currents. Find out how we can put convection to work for us with this 4th grade science craft project.

Capture waves in a bottle

Here’s a quick and easy way to show wave action in a no-mess way. You don’t need to add a little ship to the bottle, but it does make it more fun!

Learn more: Waves in a Bottle at What I Have Learned Teaching

Assemble a wave machine

Turn this one into a class cooperative activity, or try it as a science fair project idea. Either way, it’s an incredibly fascinating way to demonstrate the energy science of waves.

Use a Slinky to demonstrate types of waves

A Slinky is more than just a toy—it’s also a terrific science manipulative! Use it to see waves in motion, both longitudinal and transverse.

Watch gravity beads prove Newton’s laws

You’ll need a loooooooong string of beads for this experiment. Make your own by taping dollar-store strings together, or buy a long bead garland . Pile them in a cup and get the beads going; it’s fascinating to watch inertia and gravity at work.

Learn more: Gravity Beads at Teach Beside Me

Spin marble tops to learn about inertia

Glue together marbles in a variety of pyramidal patterns to form tops, then form hypotheses about which will spin best. Afterwards, kids will have fun new toys to play with!

Learn more: Marble Tops at KidsActivities.com

Visualize the second law of motion with soda cans

Newton’s second law, concerning acceleration, force, and mass, can be a little hard to understand. This easy 4th grade science demo makes it a little easier to visualize.

More 4th Grade Science Projects and Activities

Use these cool science experiments to encourage a love of science, at home or in the classroom!

Measure a magnet’s attraction force

Fourth grade science students already know that magnets attract metal objects. In this experiment, they’ll measure to see how close a magnet needs to be to an object for the attraction to work. Mix things up with different sizes of magnets and objects of various weights.

Learn more: Magnet Measurements at Ashleigh’s Education Journey

See light refraction in action

This seems more like a magic trick, but we promise it’s science! Make colors seem to appear and disappear, change numbers into letters, and more.

Learn more: Light Refraction at Ronyes Tech

“Draw” on water with dry-erase marker

This is another one of those mind-blowing science demos that kids will want to try over and over again. Draw on a shallow bowl or plate with dry-erase markers , then slowly add water. The marker (which is insoluble in water) will float to the top!

Paint with sunscreen

Prove that sunscreen really does provide protection from harmful UV rays. Turn this into a full-blown experiment by trying different SPFs or comparing it to other creams or lotions without SPF.

Learn more: Paint With Sunscreen at Team Cartwright

Become human sundials

Choose a sunny day and grab some sidewalk chalk—your students are about to become sundials! They’ll practice measuring skills and learn about the movement of the sun across the sky.

Learn more: Human Sundial at Rhythms of Play

Mine for chocolate chips

If you’re learning about mineral resources, this quick hands-on activity is an interesting way to explore the effects of mining. Kids have two minutes to find as many chocolate chips as they can in a cookie. Will they smash it up and destroy it entirely? Pick them out one by one? This experiment can lead to intriguing discussions.

Learn more: Mining for Chocolate Chips at Sarah’s STEM Stuff

Assemble an edible DNA model

Use licorice sticks, four different-colored candies or fruits, and toothpicks to build an edible strand of DNA. Learn about chemical bonds and the helix shape, then eat your creation!

Learn more: Edible DNA Model at wikiHow

Layer an edible soil model

Digging in the dirt is fun, but it’s even more fun when you can eat the dirt when you’re finished! Create edible soil-layer models, complete with gummy worms, for a simple earth science project. ( Find more edible science projects here. )

Learn more: Edible Soil Layers at Super Teacher Blog

Turn a penny green

Experiment with simple chemical reactions as you turn pennies green using vinegar. (Don’t forget to tell students that the Statue of Liberty is green for this very same reason!)

Learn more: Penny Reactions at Buggy and Buddy

Use marshmallows to explore Boyle’s law

Seeing Boyle’s law (which relates pressure and volume of gasses) in action makes it a little easier to understand and remember. This simple 4th grade science experiment uses marshmallows to make a great visual.

Learn more: Boyle’s Law at Hojo’s Teaching Adventures

Form ocean currents

Learning about oceanography? Demonstrate how ocean currents form using warm and cold water (and a few plastic sea creatures for extra fun!).

Learn more: Ocean Currents at Life Over C’s

Understand the impact of non-renewable resources

This is a neat Earth Day activity . Discuss the differences between renewable and non-renewable resources, then have your class form “companies” to “mine” non-renewable resources. As they compete, they’ll see how quickly the resources are used. It’s a great tie-in to energy conservation discussions.

Learn more: Non-Renewable Resources at The Owl Teacher

Explore blood components

Use simple kitchen supplies to create a jar full of “blood” that includes plasma, platelets, red blood cells, and white blood cells. (You can even snack on the blood cells along the way!)

Learn more: Blood Model at Almost Supermom

Create cool colors with candy

Learn about diffusion in the sweetest way! Grab a bag of Skittles for this quick and easy 4th grade science project.

Wow them with glowing water

Your students will ooh and aah at the result of this exploratory way to show phosphors in action with a black light, different types of water, and a highlighter. The results of this experiment might surprise both you and your students!

Learn more: Glowing Water Experiment at Cool Science Experiments Headquarters

Keep the STEM excitement going with these 25 Fantastic Free 4th Grade Math Games .

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Science Experiments For 4th Graders

Explore the wonders of science through hands-on science experiments for 4th graders. These 4th grade science projects including physical science, life science, earth science and more, and not only align with the curriculum but also encourage critical thinking, problem-solving, and scientific inquiry in young learners.

Topics Covered In 4th Grade Science

In 4th grade, the science curriculum typically covers various topics that build upon foundational knowledge from earlier grades while introducing more complex concepts. Here are the common science topics often covered in 4th grade:

• Electricity and Magnetism : Understanding basic electrical circuits, conductors, insulators, and magnetic properties.
• Earth Science : Exploring the Earth’s layers, plate tectonics, earthquakes, volcanoes, erosion, and weathering.
• Life Cycles : Studying life cycles of plants and animals, including metamorphosis and reproduction.
• Ecosystems : Investigating interactions within ecosystems, food chains, habitats, adaptations, and biodiversity.
• Weather and Climate : Learning about weather patterns, climate zones, the water cycle, and how climate affects ecosystems.
• Human Body Systems : Exploring the skeletal, muscular, circulatory, respiratory, digestive, and nervous systems.
• Environmental Science: Discussing ecological issues, conservation practices, natural resources, and the impact of human activities on ecosystems.
• Physical Science : Properties and states of matter with a focus on density, mass, and volume. Energy types and transfer, and forces and motion including simple machines and Newton’s laws
• Scientific Inquiry and Method : Developing skills in scientific investigation, including forming hypotheses, conducting experiments, and analyzing data. Learn more about using the scientific method with examples.

Free printable Junior Scientist pack!

Grab this fantastic free science challenge calendar and get started today! Join the library club for instant access to extra observation pages and hundreds of projects!

Science Activities For 4th Graders

Click on the activities below for step by step instructions, and free printables!

Plant Growth Experiment : Test how different liquids (water, juice, soda) affect plant growth.

Leaf Chromatography : Separate the pigments in leaves to see different colors.

Balloon Lung Model : Create a model lung to understand the mechanics of breathing.

Taste Test : Conduct a blind taste test to explore the sense of taste.

Insect Life Cycle : Study and document the life cycle of an insect from egg to adult.

Flower Dissection : Dissect flowers to learn about their parts and functions.

Garden Ecosystem : Create a small garden and study the ecosystem it supports.

Animal Adaptations : Research and present on animal adaptations in different habitats.

Food Chain : Create a game to demonstrate how energy flows through a food chain.

Biome Study : Research different biomes and their unique characteristics.

Animal Behavior Observation : Observe and record the behaviors of animals in a controlled environment.

Butterfly Life Cycle : Raise caterpillars and observe their transformation into butterflies.

DNA Extraction : Extract DNA from strawberries using household materials.

Baking Soda and Vinegar Volcano : Create a classic erupting volcano with a chemical reaction.

Slime Making : Experiment with different slime recipes and textures.

Homemade Ice Cream : Use chemistry principles to make ice cream in a bag.

Acid-Base Reactions : Test various household substances to see if they are acids or bases.

Sugar Crystal Growth : Grow sugar crystals on a string.

Invisible Ink : Write messages with lemon juice and reveal them with heat.

Density Tower : Create a density tower with different liquids.

pH Indicator from Cabbage : Make a pH indicator solution using red cabbage.

Egg in Vinegar Experiment : Observe what happens to an egg in vinegar over several days.

Balloon Rocket : Create a balloon rocket and measure its distance.

Paper Airplane Competition : Design different paper airplanes and test their flight distances.

Magnetic Slime : Make slime that reacts to magnets.

Light and Shadows : Experiment with different objects to see how they cast shadows.

Pulley System Challenge : Design and build a pulley system to lift different objects.

Sound Waves : Make a tin can telephone to demonstrate how sound travels.

Force and Motion : Use toy cars to study different forces and motion on ramps.

Water Bottle Rocket : Create a water bottle rocket and measure its launch height.

Pendulum Experiment : Test how the length of a pendulum affects its swing.

Electricity from Lemons : Generate electricity using fruit as a conductor in a simple experiment.

Parachute Design : Make and test different parachute designs for effectiveness.

Earth Science

Rock Cycle Simulation : Use crayons to simulate the rock cycle.

Erosion Experiment : Simulate erosion with sand and water.

Tornado in a Bottle : Create a tornado simulation using two bottles.

Cloud Identification : Learn to identify different types of clouds.

Volcano Model : Build a model volcano and simulate an eruption.

Earthquake Simulation : Use a shake table to study how buildings withstand earthquakes.

Water Cycle Model : Create a mini water cycle in a bag.

Ocean Layers Model : Construct a model showing the layers of the ocean and their characteristics.

Renewable Energy Project : Research and present on different types of renewable energy sources.

Engineering

Bridge Building : Design and test bridges made from various materials.

Simple Machines : Create models of simple machines like levers and pulleys.

Marble Run : Design a marble run using household items.

Catapult Construction : Build a small catapult and test its range.

Boat Building : Create boats from different materials and test their buoyancy.

Tower Challenge : Build the tallest tower possible using only spaghetti and tape.

Egg Drop Challenge : Design a container to protect an egg from breaking when dropped.

Wind Turbine : Build a simple wind turbine and measure its energy output.

Balloon Car Race : Design and race cars powered by balloons.

Recycled Materials Challenge : Create an invention using only recycled materials.

Space and Astronomy

Constellation Viewer : Create a viewer to learn about different constellations.

Moon Phases : Create a model to demonstrate the phases of the moon.

Solar System Model : Build a model of the solar system.

Rocket Launch : Build and launch a small model rocket.

Telescope Observation : Use a telescope to observe the moon and planets.

Gravity Experiment : Demonstrate gravity with simple experiments.

Star Chart : Create a star chart to learn about different stars.

Lunar Lander : Design and build a lunar lander model.

Helpful Science Resources To Get You Started

Here are a few resources that will help you introduce science more effectively to your kiddos or students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.

• Best Science Practices (as it relates to the scientific method)
• Science Vocabulary
• All About Scientists
• Free Science Worksheets
• DIY Science Kits
• Science Tools for Kids
• Scientific Method for Kids
• Citizen Science Guide
• Join us in the Club

Science Activities By Age Group

• Elementary Science by Season
• Science for 1st Grade
• Science for 2nd Grade
• Science for 3rd Grade
• Science for 5th Grade
• Science for 6th Grade
• Science for Middle School

Printable Science Projects For Kids

If you’re looking to grab all of our printable science projects in one convenient place plus exclusive worksheets and bonuses like a STEAM Project pack, our Science Project Pack is what you need! Over 300+ Pages!

• 90+ classic science activities  with journal pages, supply lists, set up and process, and science information.  NEW! Activity-specific observation pages!
• Best science practices posters  and our original science method process folders for extra alternatives!
• Be a Collector activities pack  introduces kids to the world of making collections through the eyes of a scientist. What will they collect first?
• Know the Words Science vocabulary pack  includes flashcards, crosswords, and word searches that illuminate keywords in the experiments!
• My science journal writing prompts  explore what it means to be a scientist!!
• Bonus STEAM Project Pack:  Art meets science with doable projects!
• Bonus Quick Grab Packs for Biology, Earth Science, Chemistry, and Physics

Subscribe to receive a free 5-Day STEM Challenge Guide

~ projects to try now ~.

• Grades 6-12
• School Leaders

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35 Online Resources for Fantastic Free Science Videos for Kids and Teens

Because seeing is believing, especially when it comes to science.

Teachers know that the easiest way to understand new concepts is to see them in action. But you can’t always do hands-on experiments or demos in the classroom. Plus, some things just aren’t possible—like a trip to outer space or a deep dive into the ocean. That’s when you need a good source for free science videos. Our picks include short and long options for students from pre-K through high school. Enjoy the show!

Free Science Videos on Instagram

Instagram videos are terrific when you’re short on time. They’re all shorter than ten minutes, and many are even briefer. Use these free science videos to introduce a lesson, illustrate a point, or as bell ringers to get class started.

With lots of quick clips, especially of fascinating animals, Discovery’s Instagram videos are winners for multiple ages.

Check it out: @discovery

MEL Science

Hands-on science experiments and demos are always a favorite with kids, but not all of them are practical in the classroom. Fortunately, MEL Science has a whole collection of them in their Instagram videos!

Check it out: @melscience

When it comes to space, there’s no better source than NASA. Their videos are informative and beautiful, with topics ranging from life on Earth to the furthest reaches of space.

Check it out: @nasa

National Audubon Society

Doing a unit on birds? Tap into the Audubon Society’s quick videos for gorgeous footage of feathered fliers from around the world.

Check it out: @audubonsociety

Nature shares a wide variety of quick videos featuring adorable (and hilarious) animals, beautiful scenery, and much more.

Check it out: @nature

National Geographic

It’s no surprise that National Geographic has a robust Instagram account. The quality of their videos is stunning, just like you’d expect.

Check it out: @natgeo

Physics Fun

The oddly mesmerizing videos from Physics Fun show physics toys in action. The text explains the science behind it all.

Check it out: @physicsfun

ScienceAlert

ScienceAlert rounds up the latest news stories about scientific topics of all kinds. Their Instagram video feed highlights some of the coolest new science videos out there.

Check it out: @sciencealert

Science Channel

The Science Channel’s Instagram feed includes its own videos, plus highlights from related channels like Animal Planet.

Check it out: @sciencechannel

Science Magazine

Science magazine keeps you up to date on the latest science news. Their Instagram videos highlight new discoveries and amazing finds.

Check it out: @sciencemagazine

Free Science Videos on YouTube

On YouTube, free science videos vary widely in length and depth. Some are short clips, while others can fill a whole class period with detailed information on a topic. That means you’re sure to find something that will work for your class!

AsapScience

If you spend any time on social media, you’ve almost certainly seen some of AsapScience’s work. These hand-drawn free science videos are as fun to watch as they are informative, so it’s easy to see why they’re so popular. (Many of these will be more appropriate for older students, so pre-screen before you play.)

Check it out: AsapSCIENCE

This series explores more of those nagging questions you’d love to know the answers to, like, “Does my dog know what I’m thinking?” The conversational tone makes even complex topics easy to understand.

Check it out: Be Smart

Clarendon Learning

Clarendon Learning is a one-stop shop for complete free lesson plans on a variety of subjects. They also have an extensive video library, including dozens of science videos that are perfect for an elementary school audience.

Check it out: Clarendon Learning Science

CrashCourse

Getting ready to introduce a new topic to your class? Start off with a CrashCourse video. These quick overviews of detailed topics are fast and engaging and will prepare your students to take a more detailed look at things. The videos were made with adults in mind, so they’re best for middle and high school kids.

Check it out: CrashCourse

Finding Stuff Out

This Canadian TV series explores topics that interest kids, with a kid host to lead the way. Full episodes are about 20 minutes, just long enough to hold their attention.

Check it out: Finding Stuff Out

Home Science

Home Science is another channel showing hands-on science experiments. These simple videos don’t include any narration, so use them as an accompaniment to a lesson that provides more info.

Check it out: Home Science

How Stuff Works

You’ll find a huge variety of topics here, all done in a casual style that’s easy for kids to relate to. Be aware that some of these videos are a little more PG-13 than G, so watch in advance to make sure they’re appropriate for your audience.

Check it out: How Stuff Works

The Infographics Show

Need a constant source of new videos? The Infographics Show has you covered. Each day, they upload a new video full of numbers and statistics to answer life’s important and not-so-important questions. Their content varies, but many cover science topics. They’re not all appropriate for younger kids, so preview before showing in class.

Check it out: The Infographics Show

MinuteEarth

MinuteEarth has a regularly updated collection of short, free science videos all about Earth. We especially love that there’s a whole channel of videos in Spanish (MinutoDeLaTierra) , too.

Check it out: MinuteEarth

When you want longer videos than Instagram can provide, visit NASA’s YouTube channel. Their video collection includes recordings of launches and landings as well as plenty of other important space-related topics.

Check it out: NASA’s Video Gallery

National Geographic Kids

Help kids explore the world, both near and far, with Nat Geo Kids videos. Learn amazing facts about ice cream, robots, inventions, droids, and more. You name it—Nat Geo Kids has it!

Check it out: National Geographic Kids

Operation Ouch

This UK-based YouTube channel focuses mainly on the human body, exploring how it works through fun videos. Their selection includes videos featuring kids with health challenges and disabilities, putting a real face to these conditions to help students better understand them.

Check it out: Operation Ouch

Popular Science

Popular Science has been covering fascinating topics in its magazine for nearly 150 years. So it’s no surprise they have an archive of videos on pretty much any subject you can think of. Some are more in-depth than others, so teachers of all ages will find useful, free science videos here.

Check it out: Popular Science

Science Bob

Science Bob’s videos are a combination of experiments you can try yourself and experiences you probably can’t replicate. Whether he’s building a baking soda volcano or floating through zero gravity with 2000 ping-pong balls, these free science videos are sure to entertain.

Check it out: Science Bob

Science Kids

Science Kids rounds up free science videos from YouTube and other sources in one place. They cover a wide range of topics, like weather, engineering, and video-game technology, just to name a few.

Check it out: Science Kids

Scientific American

Scientific American has been publishing its magazine since 1845, and its video archives are full of fascinating subjects. There are free science videos here for a range of ages and interests.

Check it out: Scientific American

Science Max

Science Max takes the same science experiments you might try in the classroom and supersizes them! These are things you probably can’t try at home, but your students will love watching these videos instead.

Check it out: Science Max

SciShow Kids

The Pre-K crowd will enjoy learning alongside Squeaks, a curious mouse puppet. SciShow Kids has a huge selection of free science videos on every topic imaginable, all aimed at little ones who are ready to learn.

Check it out: SciShow Kids

Sid the Science Kid

Chances are good that if you teach preschool, you already know about Sid the Science Kid. His fun and friendly approach to topics like muscles, whales, and bugs is beloved by kids everywhere. You’ll find some Sid the Science Kid videos on YouTube, and even more on the PBS Kids website.

Check it out: Sid the Science Kid

The Slow Mo Guys

Camera technology allows us to see the world in new ways, including in super slow motion. These free science videos let kids see things that happen too fast for the naked eye, making difficult concepts easier to understand.

Check it out: The Slo Mo Guys

Socratica Kids

What is it about puppets that just make learning more fun? Socratica’s free videos star friendly puppets that aim to help pre-K kids get ready for school by learning the basics of science and math topics.

Check it out: Socratica Kids

Sport Science

There’s plenty of science behind kids’ favorite sports. This video series from ESPN looks at the science involved in running the fastest, jumping the highest, kicking the hardest, and more.

Check it out: Sport Science

Steve Spangler’s Sick Science

Steve Spangler has all the coolest science experiments and demos, the ones that make kids go “wow!” You can watch his videos on their own or use his directions and explanations to complete hands-on science activities in class.

Check it out: Steve Spangler’s Sick Science

Tell Me Why

The Tell Me Why s eries from The Explained Channel  seeks to answer the never-ending “but WHY?” inquiries from kids. These fun videos offer a light-hearted look at all sorts of science concepts.

Check it out: Tell Me Why

According to creator Derek Muller, Veritasium is the “element of truth.” Derek brings science to life with interviews, quizzes, and even two-part videos, in which you get to predict the outcome of an experiment then see the results.

Check it out: Veritasium

While you’re on YouTube, why not drop by the WeAreTeachers page ? We’re always adding new videos just for teachers, like How to Print on Post-it Notes or Making Stress Balls for the Classroom . Be sure to subscribe so you’ll always know what’s new!

Plus, check out the best science websites for middle and high school ..

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