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High School Science Projects (693 results)

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Scientific Method
The oceans are a precious natural resource, part of Earth's carbon cycle. But what happens if the oceans absorb too much carbon dioxide? Many scientists are concerned that the increased absorption of carbon dioxide is causing them to become more acidic. What impact does that have on the marine life? In this ocean science fair project, you will demonstrate ocean acidification and investigate the effect on the shells of marine life. Read more
Science Fair Project Idea
Scientific Method
This is a modern version of a classic experiment by Jacques Charles on the volume of a gas at different temperatures. Charles discovered the relationship between volume and temperature of gases that now bears his name. This project shows you a simple method for re-creating this famous experiment. Read more
Science Fair Project Idea
Scientific Method
Safety Notes about Neodymium Magnets: Neodymium magnets are very strong. Adult supervision is recommended when using them. Be careful not to drop the magnets, and do not let them slam together or fall. They may pinch your fingers, crack, or shatter. Keep magnets away from small children, pets, credit cards, and pacemakers. In the Science Buddies project Human-Powered Energy, you can learn about the basics of magnetic induction, or how moving magnets can be used to generate an… Read more
Science Fair Project Idea
Scientific Method
You might know that we are able to get renewable energy from the Sun, the wind, and water, but did you know we can get renewable energy from Earth itself? The temperature inside of Earth can reach 9,000°F—that kind of heat can be used to make a lot of energy here on the surface! This source of energy is called geothermal energy and it is all about taking advantage of the heat within Earth. So try this science fair project out and find out how to use the heat that lies beneath your… Read more
Science Fair Project Idea
Scientific Method
Have you ever wondered what the surface of Mars is really like close up? Are you wondering what the Mars rovers get to see and experience? Some parts of Mars look smooth and sandy, whereas others are covered in rocks and rough terrain. In this project, you’ll step into the role of a planetary scientist and use real Mars rover images and Python code to detect, measure, and compare rocks across different types of Martian terrain. Here you’ll explore how image processing can help… Read more
Science Fair Project Idea
Scientific Method
Many people are surprised to learn that the season's we experience—winter, spring, summer and fall—have nothing to do with the distance of Earth from the Sun. In this science fair project, you will investigate how the temperature on Earth actually depends on the tilt of Earth's axis of rotation. Read more
Science Fair Project Idea
Scientific Method
Looking for an exciting new mode of transportation? In this science fair project, you will build a working hovercraft that will glide over surfaces on a cushion of air. And it's simpler to build than you might think! Read more
Science Fair Project Idea
Scientific Method
Have you ever wondered how your clothes get their color? Dyeing textiles is a very complicated process and involves a lot of chemistry. Not only are the properties of the dye and fabric important, but the dyeing conditions also have to be exactly right to get optimal color adsorption. Curious about how it works? In this science project, you will color wool with Kool-Aid® and explore the chemistry of dyeing. Read more
Science Fair Project Idea
Scientific Method
This project challenges you to think like a politician (and a scientist!), and try to ascertain what factors are most important as individuals make their decision on how to vote. For example, is it what is being said, or who is saying it? Read more
Science Fair Project Idea
Scientific Method
Think back to the last time you went to the grocery store. How well can you describe the person who was ahead of you in the check-out line? How many details do you remember about the person? How accurate do you think your memory is? Here is a project to investigate the accuracy of people's observations during everyday life. Read more
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Free science fair projects.