The purpose of this science fair project is to build a basic radio.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science fair project idea explores substances that cause a bubble to last longer.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Construct and experiment with a periscope using reflected light rays to gather an image.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Find out whether matte or shiny nail polish lasts longer.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.