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

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

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

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

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

This science fair project idea discovers the effect of (high) heat on animal cells.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

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

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

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.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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.

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!

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

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!

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.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

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.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.