Test your skills as a weather forecaster, and learn some science terms on the way!

Test your friends to find out if you can replicate the placebo effect's incredible results.

This project examines which style of central-air system filter traps the most particles from the air.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This project concerns activity happening millions of miles away, on the sun.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

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

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Explore the neural and mental mechanisms at play in mental imagery.

Compare different remedies for cooling the mouth after eating spicy food.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science project has students study the idea of human beauty.

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

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This science fair project idea examines the reason boats are shaped and engineered.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.