MK.U2.L1.Self-Check

Why do the magnetic rings appear to float in midair?

• The atoms in the magnets are attracted to one another.

• The atoms in the magnets repel one another.

• The compass in the magnet is not working.

• The picture is fake.

Tags

NGSS.MS-PS2-5

If the magnet on the right is flipped so that the south pole is on the left, the magnetic force will be...

• Attractive

• Repulsive

• Neither

As the two magnets are moved closer together, the magnetic force between them will become...

• Stronger

• Weaker

• Neither

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If the two magnets were cut in half along the line between the red and blue paint, which statement would describe the four bars that are produced?

• Each piece would only have one magnetic end.

• Each piece would have a North and south pole.

• Two pieces would have north poles and two pieces would have south poles.

• None of these are correct.

Tags

NGSS.3-PS2-3

Which statements describe the iron-containing rock and the nails?

(Choose all that apply)

• The rock is a magnet.

• The nails are attracted to magnets.

• Most of the magnetic domains in the rock are randomly oriented.

• Most of the magnetic domains in the rock are oriented in the same direction..

Tags

NGSS.MS-PS2-3

Removing half the rock would...

• Increase the magnetic force between the rock and the nails.

• Decrease the magnetic force between the rock and the nails.

• Not affect the magnetic force between the rock and the nails.

Moving the rock and nails higher would...

• Increase the magnetic force between the rock and the nails.

• Decrease the magnetic force between the rock and the nails.

• Not affect the magnetic force between the rock and the nails.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Increasing the distance between the rock and the nails would...

• Increase the magnetic force between the rock and the nails.

• Decrease the magnetic force between the rock and the nails.

• Not affect the magnetic force between the rock and the nails.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Replacing the rock with a similarly-sized stronger magnet would...

• Increase the magnetic force between the magnet and the nails.

• Decrease the magnetic force between the magnet and the nails.

• Not affect the magnetic force between the magnet and the nails.

Tags

NGSS.MS-PS2-3

A magnet is passed 10 centimetres above a desk. A paper clip resting on the desk begins to move as the magnet passes over it. Based on this observation, the paper clip likely contains...

• Plastic

• Iron

• Aluminum

Tags

NGSS.MS-PS2-3