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In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

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

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.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

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

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

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

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

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

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

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.

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

This project examines whether people's taste perception is influenced by what they see.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this activity your child will create their very own marble maze!

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.