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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

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.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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 cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.