1.

Answer the following questions. (a) Classify the following substances as magnetic or non-magnetic. copper, phosphorus, iron, cobalt, soil, water, silver mercury, nickel, wood, oil. (b) In olden times, how as a magnet placed in a compass?

Answer»

Answer the following questions.



(a) Classify the following substances as magnetic or non-magnetic.



copper, phosphorus, iron, cobalt, soil, water, silver mercury, nickel, wood, oil.



(b) In olden times, how as a magnet placed in a compass?



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