Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

In this project, you will observe and record changes in sunspots over two weeks.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Test the idea that people who wear glasses tend to be more educated. True or false?

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

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.

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

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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.

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.

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

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.

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

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

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