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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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.

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

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

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Test whether plants can grow without sunlight and water.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.