Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Investigate which substances are most effective at removing salt from water.

In this science fair project, students test how objects float and sink in liquids of different densities.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science fair project idea examines which type of insulation holds in the most heat.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea examines whether people can decode scrambled messages.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.