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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.