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

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

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

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

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

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

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

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!

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

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.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science 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.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

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!

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

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.