This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

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

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Science fair project that tests whether cats have a preference for organic food.

This science fair project idea tests the efficiency of short term memory.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

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

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This experiment tests which gender is better at catching how a magician performs his tricks.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Determine which video game elevates the heart rate best and burns the most calories.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

This project examines whether and what associations exist between numbers and letters and colors.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

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 experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!