Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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.

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 science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

Using a toy race car kids create a visual model of the Doppler Effect.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.