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What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Learn about the factors that influence group conformity.

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 often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This project concerns activity happening millions of miles away, on the sun.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.