This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This project compares different liquids and the freezing, melting and boiling points of liquids.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This project examines the concentration of dissolved oxygen in water, with and without oil.

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

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Will male or female hair grow faster? Find out in this science fair project idea!

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.