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Test your friends to find out if you can replicate the placebo effect's incredible results.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea produces varying pitches of sound.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Try this chemistry experiment with your curious kid and get some "shocking" results!

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!