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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea explores whether talking to a plant will help it grow.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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!

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.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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