MAGNETISM AND MAGNETIC MATERIALS
3 marks · NormalA student places bar magnets near objects made from various materials.
State two materials, other than iron, that are magnetic.
Give one example of a material that is non-magnetic.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) Nickel, cobalt (in any order)
(b) Wood (or plastic, paper, rubber, copper, aluminium, glass)
Common mistakes: Iron as an answer for part a
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Marking points
B1 (a) · 1 mark · States nickel as a magnetic material (not iron)
B1 (a) · 1 mark · States cobalt as a magnetic material (not iron)
B1 (b) · 1 mark · Gives a correct non-magnetic material (wood, plastic, paper, rubber, copper, aluminium, glass)
Worked solution
a) Nickel and cobalt are magnetic materials, besides iron.
b) Wood is an example of a non-magnetic material.