Magnetism Flashcards
What’re magnetic fields?
The region around a magnet where it has a magnetic effect
When a magnetic material is placed in a magnetic field what will it experience ?
A force
What materials are and aren’t magnetic out of this list
Aluminium
Brass
Cobalt
Copper
Iron
Lead
Nickel
Wax
Wood
The magnetic ones are nickel, cobalt and iron
The non-magnetic ones are wax, wood, lead, copper, aluminium and brass
What are four common uses for magnets
Fridge magnets
Vending machines (coins)
Compass
MRI scans
Where is the strength of the magnetic field the greatest
At the poles
What happens when u bring two north poles together
They repel
What happens when u bring two south poles together
They repel
What happens if u bring a North Pole and a South Pole together
They attract
What represents the magnetic force
Field lines
Where do the arrows go from and where do the go to
They go from the north into the south
True or false?
All magnets have a magnetic field
True
True or false?
All metals are magnetic
False
True or false?
Magnets can attract paper, plastic, iron, nickel and aluminium
False
True or false?
You can see a magnetic field
False
True or false?
The earth is a magnet
True
