Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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 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.

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

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.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.