Magnet Review #2

Magnets that are arranged like this will _______. 

• move away from each other (repel)
• move towards each other (attract)

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnets that are arranged like this will _______.

• move away from each other (repel)
• move toward each other (attract)

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  

• Electromagnet 
• Generator
• Electron Magnet 
• Motor

Tags

NGSS.HS-PS2-5

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

Tags

NGSS.MS-PS2-3

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Tags

NGSS.MS-PS2-5

How is a permanent magnet DIFFERENT from a temporary magnet?

• A permanent magnet attracts materials made of iron.
• A permanent magnet has poles.
• A permanent magnet has a magnetic field.
• A permanent magnet keeps its magnetism for a long time.

What characteristics do magnetic substances have?

• They can give you a "shock" when you touch them
• They can push or pull objects without touching them
• They are always black and cold to touch
• They fall faster than other objects when you drop them

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is our best evidence that Earth has a magnetic field?

• All things fall toward Earth's center
• A compass needle lines up with it
• Winds blow from east to west
• Earth's oceans all have currents

Why does a compass needle point north?

• The compass is a bar magnet
• Because north is up
• Because it's magic
• It lines up with the Earth's magnetic field

This substance is

• magnetizecd
• unmagnetized
• positively charged
• negatively charged

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5