Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Explore the effect of wind speed on the burning rate of a candle.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Discover whether the color of text correlates with ease and speed of reading.

This science fair project idea explores the fastest average speed a human can talk.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

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.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This science fair project idea investigates how images are influenced by changes in light.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.