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3rd - 6th Grade Science Activities : Page 2

What&#39;s a liquid? What&#39;s a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Ice Cream Science

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Which Gum has the Longest Lasting Flavor?

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Pineapple Enzyme

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Plane Mirror Reflection Experiment

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Which Food Will Mold the Fastest?

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

A Single Movable Pulley and Mechanical Advantage

In this fun experiment, we&#39;ll find out how color affects heat absorption!

Which Color Absorbs the Most Heat?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Heat Capacity of Water vs. Heat Capacity of Oil

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Does Music Affect Your Mood?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Best Fertilizer: The Effects of Fertilizer on Plant Growth

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Design Challenge: Design a Roller Coaster

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

This experiment will evaluate if chewing gum affects students' test performance.

Does Chewing Gum Affect Test Performance? 

This science fair project idea explores whether talking to a plant will help it grow.

Talking to Plants

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Find Out Why Leaves Change Color

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Plant Phototropism Experiment

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Fastest Way to Cool a Soda

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Testing the Solubility of Common Liquid Solvents

This science fair project idea explores the different properties & interactions of sugar molecules.

Sugar Crystallization

Take a dive into the candy jar with this yummy science experiment.

Candy pH

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Do Plants Need Water?  

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

How Do the Phases of the Moon Affect the Tides?

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Taste Test Science: Fool Your Tongue!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Growing Plants in Garbage

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

Check out this cool science fair project on identifying rocks and minerals for kids.

Identifying Rocks and Minerals

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Make Your Own Soap

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Homemade Frozen Yogurt

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