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.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

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!

In this project students experiment with making music using only glasses of water.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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!

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This project tests the hypothesis that dark colors absorb more heat than light colors.

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?

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

In this science project, the center of gravity is explored.

In this project, waves of vibrations are experimented with using water in glasses.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

The project investigates how friction affects motion by using different surface textures.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

This science fair project idea examines the reason boats are shaped and engineered.

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!