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

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

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 idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

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

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

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

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

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

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 science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

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

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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.

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.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

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