This project examines whether more expensive golf balls translate into better results on the golf course.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

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.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that uses distillation to convert salt water into fresh water.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Free science fair project idea examining how different types of water affect plant germination and growth.

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

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

This science fair project idea will be examining oxidation and acid rain

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea determines the most effective method of preserving food.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea raises awareness of a real ecological issue.

This science fair project idea examines whether boys and girls differ in reflexes.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.