Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

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

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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

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

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

In this project children practice the scientific method while playing with puffy paint.

Test out various brands of permanent markers to see which one is least water soluble.

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

In this project, waves of vibrations are experimented with using water in glasses.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This experiment explores how listening in to a one-sided conversation affects concentration.

Science fair project that determines whether moths are attracted to one color of light more than others.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In almost every preschool classroom is a sensory table. Learn how to make one at home!