Tim brought the North pole of a magnet near an unknown object, and it was attracted. He then brought the South pole near, and it was also attracted. What is the object?
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Worked Solution
Step 1: Magnets attract magnetic materials (Iron, Nickel, Cobalt, Steel).
Step 2: Magnetic materials are attracted to BOTH poles of a magnet.
Step 3: Repulsion is the only sure test for a magnet.
Step 4: Since it attracted both poles, it is a magnetic material (Iron).
Correct answer: A piece of iron
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