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

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science project allows students to study the psychology of happiness.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Learn whether writing things down really makes things easier to remember.

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.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Do you think heat can affect a plant's growth rate?

This science fair project idea determines if the color of light affects the growth of plants.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea determines the most effective method of preserving food.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores which fruit molds the fastest.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.