This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project examines how seeds hitchhike on animals and clothing.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

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.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.