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Physics: Motors and Generators Discuss this eTheme.

Find out how relationships between magnets and electricity were discovered and how they are explained by the Electromagnetic Theory. Learn about a motor, a device that has the ability to convert electrical energy into mechanical energy. Also learn about another device – a generator that is used when mechanical energy is transferred into electrical energy. Discover what electromagnets are and how they work. Includes photographs, animations, and experiments. There is a link to an eThemes resource on magnets.

Grades

  • 2,
  • 3,
  • 4,
  • 5,
  • 6

Links

Learn about the basics of magnetism - what is it, what is a magnetic field, how can we measure magnetism, what is an electromagnet, the theory of electromagnetism, what use are magnets, which materials are magnetic, how different materials react to magnetism, what causes magnetism, and a brief history of magnetism.
Follow the four easy steps to creating your own electromagnet.
Review what you know about electromagnets, then apply your knowledge by designing audio speakers that work.
This video demonstrates how electromagnetism can be used to create a simple motor. (Total Running Time: 2:05) NOTE: This site includes ads. NOTE: This site includes a discussion board. (forum, message board, etc.)
Learn what an AC generator does and view an animation to see how it works.
Watch an animated movie and listen to an explanation on how the Van Graaff generator works.
Learn how the connection between electricity and magnetism was discovered which led to forming the Electromagnetic Theory. Click on highlighted words to learn how the electromagnet, generator, and motor work. NOTE: The site includes pop-up and banner ads.
Find out how electromagnets work. Follow the link "Next" to learn about magnetic fields, batteries, and a coil. Includes experiments and animations. NOTE: The site includes pop-up and banner ads. NOTE: The site leads to websites with guest books.
Explore the pages of this web site to learn how electric motors work. Illustrated with labeled photographs. NOTE: The site includes pop-up and banner ads. NOTE: The site leads to websites with guest books.
Learn about two types of generators, how they work, and where they are used. Click on the "Next" button to learn about electric motors their use and types.
Here is a summary of what motors and generators have in common.
These sites include explanations and principles of magnetism. Learn the properties of magnets and how magnetic levitation trains work. Includes links to eThemes Resources on gravity and motion.

Education Standards

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