This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

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.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

This science fair project idea explores whether the color of surroundings affects human mood.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Explore whether pianists have the tendency to type faster than non-pianists.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

This science fair project teaches students the differences between fruits and vegetables.

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 which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Find out whether putting something on top of a plant will inhibit its growth.

Test the placebo effect in different groups of people.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.