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.

Examine how a battery can be made from everyday materials.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Examine the effect of pressure on carbonation in soda.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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 explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

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, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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.

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

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

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.

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

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

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.

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.