This science fair project idea examines the differences between bottle water, filtered water, and tap water.

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

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

This experiment explores whether caffeine improves athletic performance.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Learn whether writing things down really makes things easier to remember.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.