When two magnets attract each other, they:
Push away from each other
Pull towards each other
Neither push nor pull
None of these
Why will a magnet not attract pieces of paper?
Because paper is not magnetic
Because paper is not sticky
Because paper is not strong
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
Which of these metals are attracted to a magnet?
Iron
Nickel
Cobalt
All of these
Where are the field lines most concentrated around a bar magnet?
At the centre
At both poles
At the south pole
At the north pole
Which of these objects would be attracted to a magnet?
A leather purse
A steel key
A wooden ruler
Charcoal
Magnetism is a type of:
Electricity
Gravity
Force
If you hang a magnet so it is free to swing and turn, what have you created?
Flux capacitor
Compass
Watch
Nothing
How can an electromagnet be made stronger?
Add an iron core.
Increase the voltage.
Add more coils of wire.
If I bring a North and South Pole together which word or phrase best describes what happens?
Attraction
Reaction
Repulsion
Brownian motion
