This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

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

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair project idea explores the fastest average speed a human can talk.

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.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea investigates food preference of birds.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.