This science fair project idea investigates whether air has mass and weight.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Learn all about balance and motion as your child designs a corn maze!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This science fair project idea demonstrates that plants give off water.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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.

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.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Use pepper and soap to discover some fun facts about the properties of water.

Plants and light seem to be good buddies, but how far does the friendship really go?

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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!

Start your toy engines -- this is going to be a fast and friction-filled race!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.