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

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

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

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

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

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

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

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

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.

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

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.

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.

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.

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.

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.

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.

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

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