Magnets and how they are used
Answers are for parents and teachers.
1
A magnet is cut into 8 pieces. How many poles are there in all?
16
2
At home test 10 (safe) items with a magnet and record “attracted” or “not attracted”.
Iron and steel items (nail, clip, steel scissors) are attracted; copper, brass (many keys), aluminium, plastic and wood are not.
3
Find which devices at home contain magnets (speaker, fridge door, motor).
For example: radio and phone speakers, fridge door, fan motor.
4
Why does a compass help find the way in a desert, at sea and in the mountains?
Earth’s magnetic field exists everywhere and orients the needle north–south.