WorksheetsT Level Starter
Total questions: 21
Worksheet time: 21mins
A magnet will pick up an object that is made of...
plastic
iron or steel
glass
copper
The strongest parts of the magnet are ...
fronts
backs
poles
middle
What would happen is a north pole of a magnet came close to a north pole of another magnet?
they would be attracted to each other
they would be repelled from each other
The area around a magnet is called the .....
attraction zone
work area
magnetic field
hot zone
Why does the compass needle move at different locations?
Because the needle is attracted to the magnetic field produced by the magnet
Because north is up
Because it is being attracted to the Magnetic North Pole
Because north is down
These magnetic domains are:
strongly magnetized
slightly magnetized
unmagnetized
To make this electromagnet stronger you could:
use less wire
have fewer wire coils around the nail
have more wire coils around the nail
use a plastic core
When running a current through a wire, what do the blue lines represent?
The wire spinning
A magnetic field that was created
Electrons leaving
Electricity
A(n) ___ converts electricity into magnetism.
electric transformer
electric generator
electromagnet
electric motor
A(n) ___ converts magnetism into electricity.
electric transformer
electric generator
electromagnet
electric motor
A(n) ___ converts electricity into magnetism, and back to electricity.
electric transformer
electric generator
electromagnet
electric motor
Which of the following will increase the strength of an electromagnet?
Use a Bigger Battery (More Current)
Wrap More Coils
Insert an Iron Core
Use a Bigger Magnet
Why is permanent magnet able to exert a force on an electric charge?
Electric charges have an electric field
Electric charges have a magnetic field
A permanent magnet has an electric field
A permanent magnet cannot exert a force on an electric charge
What must occur for a magnetic field to induce an electric current?
The magnetic field must be really big
The magnetic field must be stable
The magnetic field must be changing
The magnetic field must be from a permanent magnet
The ___ coils a wire has the ___ current is able to be generated.
more; more
less; more
more; less
less; less
