This science experiment tests if dog saliva can really help heal wounds.

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

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Determine how good we are at direct and indirect observation.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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 explores whether mint, known for its âcooling sensationâ really does lower temperatures.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea investigates food preference of birds.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

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

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 project investigates the influence of different genres of movies on appetite.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

The objective of this science project is to determine the length of time for different seeds to germinate.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.