Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

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

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea produces varying pitches of sound.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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?

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.