Magnetism

Question 1

What does magnetism come from

Answer 1

the movement of charged particles

Question 2

what is the earths relationship to magnets

Answer 2

A molten core of charge particles(Iron and Nickel)

Question 3

Whats a compass

Answer 3

a needle(FeNiCo=steel) that is magnetized +free to move

Question 4

Ferromagnetic metals

Answer 4

FeNiCo and steel(alloy)

Question 5

e- doing in a piece of unmagnetised iron

Answer 5

e- looking in diff directions all mix matched

Question 6

e- in a piece of magnetized iron

Answer 6

lined up in one direction (organized one behind other)

Question 7

Like poles

Answer 7

repel

Question 8

Unlike poles

Answer 8

attracts

Question 9

How can you make a magnet

Answer 9

single or x2 stroke method
1 M strokes a piece of FeNiCo
- steel=hard
-FeNiCo=soft

Question 10

MRI

Answer 10

Magnetic Residence Imaging = big magnet alines your e-

Question 11

Magnet things

Answer 11

• Compass
• Fridge Closing
• Casette tape
• Bank Card Strip
• Train thing

Question 12

what is set up when electricity is flowing

Answer 12

a magnetic field

Question 13

Domains

Answer 13

areas of atoms with spinning e- that can be lined up in 1 direction