A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

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

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This experiment will evaluate if chewing gum affects students' test performance.

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.

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.

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.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

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

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.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.