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Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This project explores differences in people's reactions to images in color and images in black and white.

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

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.