Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Find out which kind of bubble wrap fares best when put in impact.

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.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Find out which type of sponge holds the most water.

Find out whether a longer airplane will fly farther or a wider paper airplane.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

This experiment examines if space objects become round after reaching a certain mass.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this science fair project, students test how objects float and sink in liquids of different densities.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.