Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science fair project idea investigates food preference of birds.

This project is about after-images and what possibly affects them.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This project examines whether and what associations exist between numbers and letters and colors.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Find out whether a longer airplane will fly farther or a wider paper airplane.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

Evaluate the efficacy of different pain management techniques.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.