In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

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

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores how length affects the weight a bridge can hold.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment we will be determining whether birds prefer certain colors of seed.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.