Ps2.1

What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract

• Repel

• Do nothing

• Shatter

Tags

NGSS.MS-PS2-5

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-PS2-3

NGSS.MS-PS2-5

Which of these is a way to make an electromagnet stronger?​ ​ ​ ​ (a)  

• wrapping the wire around the iron core more

• putting a switch in the electrical circuit

• replacing the copper wire with plastic wire

• replacing the iron core with a copper core

Tags

NGSS.MS-PS2-3

Drag the terms to the correct area on the image:

a

b

c

d

Battery

Wire

Iron Core

Magnetic Field

Tags

NGSS.MS-PS2-3

The strongest part of a magnet is...

• the bars.

• the force field.

• the poles. 

• the middle.

Tags

NGSS.MS-PS2-3

_{^{The magnet's shown will}}

• not move

• attract

• repel

• all of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A device that transforms mechanical energy to electrical energy is a

• generator

• motor

• transformer

• magnet

A device that transforms electrical energy to mechanical energy is a

• generator

• motor

• transformer

• magnet

How are electromagnets different from permanent magnets?

• magnets can be turned on/off

• you can turn an electromagnet on/off

• magnets are more powerful

• magnets have a North and South pole

Tags

NGSS.MS-PS2-3