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In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project idea discovers the effect of (high) heat on animal cells.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Discover whether the color of text correlates with ease and speed of reading.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

This science fair project idea investigates if fats add to the flavor of food.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Evaluate if people are more influenced by video or audio advertising.

Explore whether pianists have the tendency to type faster than non-pianists.

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

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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This science fair project idea provides evidence that air is everywhere and takes up space.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

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

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This experiment will evaluate if chewing gum affects students' test performance.