Match the following.

Answer the following questions.

Classify the following substances as magnetic or non - magnetic.

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

Answer the following questions.

In olden times, how was a magnet placed in a compass?

Fill in the blanks.

(a) There is magnetic …….………. between like poles.

(b) Stainless steel is a …….………. substance.

(c) There is mutual attraction between …….………. poles of magnets.

(d) There is maximum magnetic force near the …………… of a magnet.

Give reasons.

A magnetic needle is used in a mariner's compass.