The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

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

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

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

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.