5.79. Ferromagnetic Material http://www.ck12.org
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At the following URL, read the short article and use the animation to magnetize the ferromagnetic material. Then
answer the questions below. http://www.magnet.fsu.edu/education/tutorials/java/domains/index.html
- Describe the process by which the ferromagnetic material becomes magnetized.
- What type of magnet does the ferromagnetic material become?
- Name all the known elements in the world that are ferromagnetic at room temperature.
- How long may a ferromagnetic material remain magnetized?
Review
- Define magnetism.
- Why is an atom like a tiny magnet?
- What are magnetic domains?
- What is unique about ferromagnetic materials? List three ferromagnetic materials.
- Explain how you can make a permanent magnet from an iron nail.
- What is magnetite?