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.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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.

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 trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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.

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

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

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

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

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!