This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project that cultivates slime mold and monitors the stages of its development.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

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

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.