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Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This classic children's game demonstrates how sound travels through air vs. through a solid.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Using a toy race car kids create a visual model of the Doppler Effect.