Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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.

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

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.

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.

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

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!

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.

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

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.