The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Investigate which substances are most effective at removing salt from water.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine whether the application of Febreeze will lower the bacterial count.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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

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.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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