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This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Explore the belief in astrology as a predictive system.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Science fair project that uses distillation to convert salt water into fresh water.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.