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.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

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.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

What happens when colored beams of light mix? You might be surprised.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

Learn with makes water molecules work with this fun and easy science activity!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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