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In this CD hovercraft science project, students will construct their own DIY hovercraft.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This basketball project explores the best way to make the perfect shot every time.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Make a backbone model to explore human anatomy and life science.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

I scream, you scream, we all scream for homemade spearmint ice cream!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.