This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

This experiment investigates whether there are certain sounds that affect men and women differently

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!