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In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Discover whether a metal will expand under hot water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea determines what household items are good conductors of electricity.

Discover which fabrics shrink the most in the wash and why.

Find out whether putting something on top of a plant will inhibit its growth.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science project is to determine the length of time for different seeds to germinate.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project will help students learn about non-vascular plants, such as mosses.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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