Magnetism Flashcards
1
Q
Describe the structure of a magnet.
A
North and South poles
2
Q
All magnets produce what?
A
Magnetic Field
3
Q
Where is the field strongest?
A
Near the poles
4
Q
How can we see the effects of the field?
A
-Current flowing, copper wire around iron core
-Compasses
5
Q
Why do we use electromagnets?
A
It can be turned off
6
Q
How does the distance affect field strength?
A
Further away, weaker
7
Q
How can you increase the strength?
A
More current, more coils, bigger core
8
Q
How can you test the strength?
A
Change 1 factor + count items picked up
9
Q
Draw a diagram of a bar magnet.
A
correct lines
correct labels
correct arrows
