Multiple choice

The best way to magnetise a steel pin is by _________________.

  1. heating it

  2. putting it in water

  3. hitting it with a magnet

  4. stroking it with a magnet

  5. none of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If you stroke a steel pin with a magnet, it will behave as a magnet for sometime.