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.

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

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.

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.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th 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 experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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

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 idea is to determine if sound travels best through the air, water or a solid.

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.

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

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

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.

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.

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.

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

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

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

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.

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

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.