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

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.

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.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This science fair project idea produces sounds by creating vibrations using different objects.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.