Which of these devices uses a magnet or electromagnet to make it work?
All of these devices use a magnet or electromagnet.
A compact disc
A microchip
An electric bell
If I bring a North and South Pole together which word or phrase best describes what happens?
Attraction
Reaction
Repulsion
Brownian motion
Which of these metals are attracted to a magnet?
Iron
Nickel
Cobalt
All of these
When two magnets repel each other, they:
Push away from each other
Pull towards each other
Neither push nor pull
None of these
If you hang a magnet so it is free to swing and turn, what have you created?
Flux capacitor
Compass
Watch
Nothing
Which two metals will be attracted by a magnet?
Iron and steel
Gold and silver
Aluminium and lead
Which pole of a magnet in a compass points north?
Neutral pole
South Pole
North Pole
How can an electromagnet be made stronger?
Add an iron core.
Increase the voltage.
Add more coils of wire.
In which direction do the field lines go around a magnet?
From south to north
It's different for every magnet
Clockwise
From north to south
Why will a magnet not attract pieces of paper?
Because paper is not magnetic
Because paper is not sticky
Because paper is not strong
