MAGNETISM AND MAGNETIC MATERIALS
3 marks · EasyA student wants to test whether a mystery object is a magnet or just a piece of magnetic material.
Describe a simple test the student could use to tell if the object is a magnet.
State the result that would show the object is a magnet.
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(a) Test for attraction and repulsion with a known magnet.
(b) The object should both attract and repel the known magnet at different ends.
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Marking points
M1 (a) · 1 mark · Proposes using a known magnet to test both ends of the object for attraction and repulsion.
A1 (a) · 1 mark · Specifies that repulsion (not just attraction) must be tested.
B1 (b) · 1 mark · Correctly states that repulsion would be observed if the object is a magnet.
Worked solution
a) Bring a known magnet close to both ends of the object and observe whether there is attraction or repulsion. b) If the object is a magnet, it will both attract and repel the known magnet (repulsion at like poles).