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 purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

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

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project demonstrates the "power of conformity".

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 cultivates slime mold and monitors the stages of its development.

This science fair experiment examines the relationship between gender, age, and smiling.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

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.

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

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 science fair project idea explores whether color affects a person's emotional state.

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

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

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