PROPERTIES OF MAGNETS/MATERIALS & MAGNETIC FIELDS Flashcards
1
Q
Are all metals magnetic?
A
No
2
Q
What are the poles in a magnet?
A
North pole and south pole
3
Q
Same poles reflect/attract each other
A
reflect
4
Q
Different poles reflect/attract each other
A
attract
5
Q
Iron and steel are magnetised by…
A
being close to a magnet
6
Q
You can magnetise a magnetic material by…
A
stroking it with a magnet in the same direction
7
Q
What are some ways to demagnetise a magnet?
A
- Heat it up to a high temperature
- Hitting it with a hammer
8
Q
When two magnets attract, does the field line attract too?
A
Yes
9
Q
When two magnets repel, does the field line repel too?
A
Yes
10
Q
How to see magnetic fields?
A
- Use iron fillings
- Use a compass
11
Q
Is Earth magnetic? Why?
A
Yes, because the core of the Earth is made of iron
