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High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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This experiment evaluates whether the phenomenon of 'choice blindness' occurs more often with men or women.

Evaluating Choice Blindness: Do You Know What You Want?

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Resistivity: Is Copper the Best Metal Conductor?

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Physics of Pool: Elastic Collision of Equal Masses

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Hooke's Law: Calculating Spring Constants

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Texting Versus Talking: The Effects of Cell Phones on Reaction Time

This science fair project idea discovers the average time it takes for a person to remember something completely.

How Long Does It Take To Remember Something?

This science fair project idea enhances awareness of local food production and food sourcing.

Where Does Your Food Come From?

This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.

Are Frequent Facebook Users Less or More Lonely?

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Is a Denser Fruit Healthier?

What's the difference between centripetal and centrifugal force? High school students will find out by seeing both in action while conducting this experiment.

Centripetal and Centrifugal Force

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Does Eating a Hearty Breakfast Before an Exam Yield Better Scores?

This science fair project will investigate a type of sustainable development project.

What is Sustainable Development?

This experiment evaluates if personality influences whether a person prefers dogs or cats.

Studying the Difference Between "Dog People" and "Cat People"

This science fair project idea explores the fastest average speed a human can talk.

How Fast Can You Talk With Accuracy?

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Magnetic Linear Accelerator

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Substrate City: What Household Objects Form the Best Crystals?

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Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.

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