Is it a square or a circle? See if you can trick your friends with this zany science project!

Learn more about consumer preferences, product availability and pricing. Search ebay listings typing keywords of your choice. Interpret statistical analysis

This experiment investigates whether smell can be used to enhance test subjects' memories.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

This science fair project idea explores whether color affects a person's emotional state.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This experiment will explore the possibility of creating an infinite object by hand.

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

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

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.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea enhances awareness of local food production and food sourcing.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox