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This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea investigates how color affects temperature.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Learn about the growing app design field by designing a new or improved app for smartphones.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Find out which type of sponge holds the most water.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This science fair project idea investigates if fats add to the flavor of food.

This project examines whether humans can intuitively grasp numeric values greater than three.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.