Question

7. In order to convert an iron piece into a magnet, we should stroke it with the same………of

a bar magnet in the………...direction repeatedly​

Answer 1

Answer:

After knowing the different minerals and their uses in society, do you think humans

will achieve all the advancement in technology without the presence of minerals?

Explanation:

Answer 2

Answer:

with one pole and same direction

Explanation:

If we stroke an iron bar with one end (one pole) of a bar magnet repeatedly in the same direction, the iron bar becomes a magnet. Thus, we need two things to make a magnet: an iron bar (or an iron strip) and a bar magnet. of bar magnet along the whole length of iron bar till you reach its other end.