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3 cards from this section. Quick, good the night before a test.
What is ferromagnetism?
Think about materials like iron.
Name a common ferromagnetic material.
It’s used in many everyday objects.
What is ferromagnetism?
Think of how materials like iron behave.
True or False: Hard ferromagnetic materials lose their magnetization when the external field is removed.
Consider which materials are used for permanent magnets.
Describe the process that occurs in ferromagnetic materials when subject to a high external magnetic field and then gradually heated.
Think about how temperature can impact atomic movement.
Explain why hard ferromagnetic materials are beneficial for making permanent magnets.
Reflect on where you see permanent magnets used.
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