1. Unit J Magnets and Electromagnets
St. Mary´s College in Crosby
Unit J Magnets and Electromagnets
REVISION
Form 2C
6th of December

2. What do you really know?

3. J1 – Magnetic Field Look at these pairs of magnets.
Which pairs of magnets will attract each other?

4. J2 - Magnets x x A D B E C F
Tick () the drawings that are correct.

5. J2 - Magnets Before compasses, sailors found their way using …
a)…the Sun and the stars
b)…the winds
c)…the waves.

6. J3 – Making Magnets Makes a strong permanent magnet.
lodestone
iron oxide
steel
iron
Makes a strong permanent magnet.
Makes a weak permanent magnet.
A natural magnet.
Only makes a temporary magnet.
Match the materials to their descriptions

7. J4 - Electromagnets
Power supply
Coil
Switch
core

8. Unit J – Magnets and Electromagnets
Revision Worksheet
Unit J – Magnets and Electromagnets