a) Does the needle get magnetised?

Question

Observing the magnetic force : Take a sewing needle. Rub it with a bar magnet several times always moving the magnet in the same direction. 

a) Does the needle get magnetised?

b) What happens to the needles? How do they move?

c) Now place the needles in such a way that unlike ends face each other. How do they push or pull each other?

d) What is this pull or push between two poles called?

Answer 1

a) Yes. Identify south and north pole of the magnetised needle. Pin a red coloured foam ball to South pole and white ball to North pole of the needle, then drop it in a bowl of water it floats. 

Make another needle in the same way. Float both the needles side by side such that like ends facing each other.

b) They repel each other. They move backwards to each other.

c) They pull each other that means they are attracted.

d) Magnetic force.