Determine if gender affects the ability to identify different smells.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project tests the hypothesis that dark colors absorb more heat than light colors.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Discover whether a metal will expand under hot water.

This science fair project idea examines the reason boats are shaped and engineered.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea compares biodiversity between drops of water.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea investigates how color affects temperature.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this project children practice the scientific method while playing with puffy paint.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

How do organic materials become soil? This science experiment measures what materials biodegrade.