Magnetism Flashcards
(12 cards)
Where can we find a magnetic field
around a magnet
What am I “I can be turned on to activate my super powers and off to deactivate them”
Electromagnet
What is a line of force?
A line of force shows the direction and strength of a field
What happens when the north and south of a magnet are brought together?
They will attract
What is the inner core made of?
Solid metal
What is the outer core made of?
Liquid Metal
True or false “The cores both move at same speeds”
False
True or false “The earth is said to have a sort of a bar magnet inside it”
True
How could you make a electromagnet stronger? Name two ways
By increasing voltage and coils
The compass that tells directions is called?
A plotting compass
True or false “We can use iron filings to mark out the magnetic field”
True
How can you tell if something has an electromagnet?
Put iron objects close to it if it attracts its has a electromagnet/magnet but if it doesn’t it doesn’t
