This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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!

This surprisingly good glue recipe comes from common kitchen items.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

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.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.