This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Examine whether males or females are more likely to have a higher center of gravity.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

In this science project, the center of gravity is explored.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

Explore the relationship between personality traits and birth order effects.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Examine the effect of pressure on carbonation in soda.

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

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This science fair project idea identifies and understands adaptations in birds.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

The project researches how lubricants affect the mechanical advantage of a pulley.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.