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Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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.

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

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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