5 Questions
Which type of materials are easily magnetised but the induced magnetism is usually temporary?
Magnetically soft materials
What are the main elements used to create permanent magnets from magnetically hard materials?
Iron, aluminium, nickel, cobalt, and rare earth elements
What happens to magnetically hard materials when magnetised by a strong external magnetic field?
They remain magnetised indefinitely
What can demagnetise magnetically hard materials?
An opposing magnetic field
Which type of materials are attracted by magnets and can be magnetised to create permanent magnets?
Materials that can be magnetised
Test your knowledge about the types of materials used to create magnets, and how they affect the performance of a magnet. Explore a list of magnetic elements and minerals commonly used in creating permanent magnets.
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