Magnetic

Which diagram below would produce the strongest magnetic force?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

Earth's magnetic field is produced by

• the Sun's electromagnetic radiation.

• the Earth's gaseous atmosphere.

• the Earth's iron core.

• the Earth's titled axis.

The needle in a compass aligns with

• nothing. It has its own power source.

• the geographical North pole.

• the Sun's gravitational force.

• the Earth's magnetic field.

Objects must touch to be affected by magnetic force.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What interaction will occur between the magnets in the arrangement shown?

• The magnets will attract each other.

• The magnets will repel each other.

• The magnets will both attract and repel each other.

• The magnets will not interact at all.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Where is the magnetic field the strongest around a bar magnet?

• far away from the magnet

• at the side of the magnet

• at the poles

• above the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens when two north poles of a magnet are placed together?

• they repel

• they attract

• they cancel each other out

• the strength of the magnet is doubled

Tags

NGSS.MS-PS2-3

Magnets can interact without touching.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Are the magnetic field lines in the picture correct?

• Yes, because they point from north to south.

• No, because they point from north to south (they're supposed to go the other way).

• Yes, because the North pole is on the left in all pictures.

• No, because the North pole is on the left in all pictures (it's supposed to be on the right).

Tags

NGSS.MS-PS2-3

Looking at the field lines in this picture, these two magnets are ________

• Attracting

• Repelling

• Attracting and Repelling

• Doing nothing

Tags

NGSS.MS-PS2-5