This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science project researches the correlation between barometric pressure and wind velocity.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

This science fair experiment examines the relationship between gender, age, and smiling.

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

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

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

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.