This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

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

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

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.