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

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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

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

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

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

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

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

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

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.

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.

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.

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 project examines how temperature affects the volume of gas in balloons.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

In this project students experiment with making music using only glasses of water.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Science fair project that illustrates the properties of black holes in space.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This project will examine the relationship between materials and air resistance.

This science fair project idea explores which kinds of earplugs are the most effective.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.