What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

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!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea explores whether talking to a plant will help it grow.

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

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!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under 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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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