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

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

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

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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!

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 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.

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.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

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!

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.

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!