Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th 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.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

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

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.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

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

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

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

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