Build an Electromagnet Science Projects (9 results)
Build or improve a device powered by an electromagnet that forms a magnetic field when an electrical current flows through a wire. Add more wires or magnets to test if you can boost the electricity produced.
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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…
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Whether you have already tried the Science Buddies
Build a Paper Speaker activity or the
How Loud Can Paper Speakers Get?
project, or you just like music and are interested in exploring more about the science of sound, then this project is for you.
You probably know that sound waves can have different frequencies. If not, you can read more about that in the background section
of the How Loud Can Paper Speakers Get?
project. The range of human hearing is typically about 20 hertz…
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Today magnetic recording is used in audio and video cassette recorders, and computer disk drives. Did you know that you can also use an electromagnet to record and play back from a steel wire? In fact, this is how magnetic recording got started. This project shows you how to build a simple wire recorder.
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Motors are used in many things you find around your house, like your refrigerator, coffee maker, and even a lawn mower. In this electronics science fair project, you will get to build a simple motor, using a kit, and then test how the number of batteries (amount of voltage) used to power the motor affects its performance.
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