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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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.

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

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

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

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

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

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.

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.

This experiment explores whether caffeine improves athletic performance.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Determine how good we are at direct and indirect observation.

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

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

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.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

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.

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

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.