Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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 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!

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Find out which kind of bubble wrap fares best when put in impact.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science project teaches students to classify different shapes of leaves.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.