Magnetic Fields Notes Quiz

If 2 magnets have their North and North poles facing each other, what will happen?

• they will attract

• they will repel

• they will drift

• they will explode

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What gives the earth it's magnetic field?

• Solar storms

• Gravity

• It's iron core

• electric charges

Tags

NGSS.HS-PS2-5

When the earths magnetic poles move, up to 60 km per year, what is it called?

• tokyo drift

• polar express

• aurora borealis

• polar drift

what does the strength of a magnetic force depend on?

• what the magnet is made of

• how close an object is to the magnet

• how big the magnet is

• all of the above

Tags

NGSS.MS-PS2-3

if opposite ends of a magnet are facing each other, what will the magnets do?

• attract

• repel

• drift

• explode

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What type of force is magnetism?

• contact

• thermal

• non-contact

• gravitational

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What are ways to demagnetize a magnet?

• All of the below

• Apply pressure

• Apply heat

• Smash it with a hammer

What do you call a magnet that can be turned off and on by applying an electric current?

• A temporary magnet

• A permanent magnet

• A fridge magnet

• An electromagnet

Tags

NGSS.MS-PS2-3

What is the barrier around the earth that deflects or repels dangerous solar storm waves?

• solar wind

• magnetic field

• magnetosphere

• north pole

Tags

NGSS.HS-PS2-5

Magnetic field lines can cross each other.

• true

• false