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.

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 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.

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

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

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!

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.

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.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Make a spring collage with your child to get them outside and those creative juices flowing!

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.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, students make their own rain gauge to measure rainfall.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.