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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Determine if gender affects the ability to identify different smells.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project tests the hypothesis that dark colors absorb more heat than light 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.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Discover whether a metal will expand under hot water.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

This science fair project idea examines the reason boats are shaped and engineered.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.