Science Buddies' seventh grade science projects are the perfect way for seventh grade students to have fun exploring science, technology, engineering, and math (STEM). Our seventh grade projects are written and tested by scientists and are specifically created for use by students in the seventh grade. Students can choose to follow the science experiment as written or put their own spin on the project.

For a personalized list of science projects, seventh graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then uses their answers to recommend age-appropriate projects that fit their interests.

Science Fair Project Idea
If you like listening to music and making crafts, this is a great project for you. You will learn how to make a completely functional speaker that you can use to listen to real music...out of paper! Along the way, you will learn about the science behind how a speaker works. Speakers depend on magnets to create sound—does adding more magnets make the sound louder? Try this project to find out! This project is compatible with Google's Science Journal app, which allows you to collect data… Read more
Science Fair Project Idea
Would it surprise you to learn that no one knows the exact age of the universe? Astronomers have estimates, and as they gather increasingly precise data and measurements, they continue to refine those estimates to come up with more accurate estimates. In this project, you can look at data about stars in dense groups called globular clusters and come up with your own estimate for the minimum age of the universe. How closely will your estimate match those of other astronomers? Read more
Science Fair Project Idea
Soil erosion can cost the world billions of dollars every year by washing pollutants into our streams and rivers and by causing the loss of farmland. What can you do about this problem? Help save the world (and some money!) with nothing more than a few plants! Read more
Science Fair Project Idea
Have you ever used a toy like a Spirograph® to draw precise, repeatable patterns on a piece of paper? What if you could use a computer to automatically draw the patterns for you? This project will show you how to do just that using the Raspberry Pi Projects Kit. Check out the video to see what this simple, but fun, project looks like: … Read more
Science Fair Project Idea
Do you play video games on a console or smartphone? Have you ever wished you had the power to change how a game worked, or even to create your very own game? This project will show you how to make your very own video game and controller using the Raspberry Pi Projects Kit. Check out the video to see what this simple, but fun, project looks like. Of course, you can design the looks and gameplay of your game any way you like! … Read more
Science Fair Project Idea
Did you ever have a favorite toy like an action figure or doll that could light up, make noise, or move? This project will show you how to make your own interactive toy using the Raspberry Pi Projects Kit. Check out the video to see what this simple, but fun, project looks like. The version you make does not have to be a robot; it can be any shape and have any sound effects you want. … Read more
Science Fair Project Idea
Have you ever seen night lights that automatically turn on when it gets dark? What about art projects, like paintings or sculptures, with embedded lights? This project will let you combine the two, by adding lights to an art project of your choice. You can make the lights automatically turn on when it gets dark using the Raspberry Pi Projects Kit. Check out the video to see what this simple, but fun, project looks like: … Read more
Science Fair Project Idea
Have you ever wished you could create an alarm system to guard your stuff? Or what about throwing a surprise party for someone and automatically playing music and flashing lights when they walk in the door? You can do either of these things using the Raspberry Pi Projects Kit. The kit includes a motion sensor, which can detect when people move in front of it. Check out the video to see what this simple, but fun, project looks like: … Read more
Science Fair Project Idea
Did you know that your body needs a certain amount of iron in order to stay healthy? Iron can be found in much of what you consume each day. Almond flour—frequently used in cookies—is just one example of an iron-rich food. However, only a small fraction of the iron in food gets absorbed by the body, partially because the body can only absorb dissolved iron. In this project, you will study whether the acidic environment in your stomach helps dissolve iron. You will use a color-based… Read more
Science Fair Project Idea
Have you ever ridden on a carousel, or a merry-go-round, at an amusement park? On a carousel, you usually get to take a seat on a wooden horse or other animal that spins around and around as the carousel is turned on and powered by electricity. Another smaller type of carousel that people can have in their homes is a candle carousel, which is powered by heat from candles. In this science project, you will get to make your own candle carousel and investigate how the spinning speed of the… Read more
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Free science fair projects.