Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

How powerful is the reaction between baking soda and vinegar? Find out here!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

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