This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Find out if most people can distinguish the difference between tones on different instruments.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Demonstrate which cooking method gets rid of the most fat.

Discover how and which salt melts ice the quickest.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Science fair project that builds a magnetometer and demonstrate its uses.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

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

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

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.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Determine which metal has the highest rate of conductivity.

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

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.