This science fair project idea determines if the temperature of rubber effects how high it bounces.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

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.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.