U1: 10F Magnetosphere mastery check

What direction does a compass always point?

• North

• South

• East

• West

The motion of liquid __________ in the Earth's outer core creates a magnetic field.

• iron

• water

• gold

• silver

A compass needle is attracted to the north because _______.

• there is wind in the north

• it is being attracted to the magnetic south pole

• there is iron in the north

• it repels from the north pole

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Earth's magnetic field protects us from ______.

• ultraviolet rays

• too much heat

• radiation

• comets and meteors

Earth's geologic south pole is a ______.

• magnetic north pole

• magnetic south pole

• neutral pole

• none of these

A compass behaves as it does because each needle acts as a _____

• north pole

• GPS

• south pole

• magnet

How is Earth's magnetic field similar to that of a magnet?

• It is hundreds of miles long.

• It is shaped like a horseshoe.

• It has north and south poles

• It is made in Earth's core.

A device that uses a free-moving magnetic needle to show direction is a ______.

• field line

• magnet

• magnetic field

• compass

True or False: Magnets can interact without touching.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

True or False: Magnetic field lines are closest together at the poles.

• True

• False