Magnetism Flashcards
1
Q
Field
A
A region in space where an object experiences a force
2
Q
Permanent magnets
A
Materials that have strong magnetic fields
3
Q
Magnetic
A
Materials that are attracted to magnets
4
Q
Ferromagnetism
A
- Materials that have magnetic properties
- Can be magnetized
- Strongly attracted by magnets
5
Q
Domains
A
Magnetically aligned regions in ferromagnetic materials
6
Q
Magnets
A
- Have a South and North Pole
* No monopoles in nature
7
Q
Field lines
A
- High density around poles
- Never cross
- Always form closed loops
- Go from S to N inside the magnet
- Go from N to S outside the magnet
8
Q
Importance of Earths Magnetic Field
A
Provides protection from solar wind
