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What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Construct batteries that make electricity from fruits with this fun science fair project.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This basketball project explores the best way to make the perfect shot every time.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This science fair project idea investigates food preference of birds.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

I scream, you scream, we all scream for homemade spearmint ice cream!

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.