This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

This experiment will explore whether fractals really repeat themselves infinitely.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

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

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Science fair project that determines whether brain size is correlated with intelligence.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.