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In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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?

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this project children practice the scientific method while playing with puffy paint.

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.

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.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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 science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Find out which type of sponge holds the most water.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea examines the reason boats are shaped and engineered.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.