The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this fun activity, your child will create their very own solar oven to bake s'mores!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

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!

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

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.