Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project idea studies how talking on a cell phone affect driving?

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Find out which kind of bubble wrap fares best when put in impact.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This experiment explores whether caffeine improves athletic performance.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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.

Determine how good we are at direct and indirect observation.

Science fair project that examines the biodiversity of ant populations in various locations.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science project examines the thermal properties of several major greenhouse gases.

This project examines whether people's taste perception is influenced by what they see.

In this experiment we use Scotch Guard to make sand that resists water.

Discover whether people can distinguish what a person looks like just by listening to their voice.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.