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Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

This experiment explores how listening in to a one-sided conversation affects concentration.

This science fair project idea investigates whether plants can survive being frozen.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This science fair project idea raises awareness of a real ecological issue.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This experiment will explore whether adding different substances to a gel affects its strength.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

In this fun activity, your child will create their very own solar oven to bake s'mores!