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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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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?

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Calculate the Mass of the Earth

Examine how a battery can be made from everyday materials.

Building a Better Battery

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?

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

Investigating the Influence of Packaging on Children

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Apparent Weightlessness in an Elevator

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?

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 experiment evaluates if personality affects the type of movies that people prefer.

How Does Personality Influence Movie Preference?

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Does Carbon Dioxide Raise the Temperature of the Atmosphere?

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Painting and Photography: Which Produces the Greater Emotional Response?

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How to Make a PVC Pipe Instrument

This science fair project tests test whether the presence of spell check has changed standards for spelling.

Has Computer Typing Changed Standards For Spelling?

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Faraday's Experiment

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?

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Testing the Birthday Paradox

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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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