Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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

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

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.

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

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.

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 own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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.

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

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

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.

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

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!

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

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