An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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!

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.