Magnetism Review

The entities inside a ferromagnetic object are called

• magnetic domains
• magnetic fields
• electromagnetic waves
• magnetic particles

Magnetic domains can ________ but can never _________.

• rotate, but can never move.

• move, but can never rotate.

• move, but can never align.

• disperse, but can never align.

Tags

NGSS.MS-PS2-5

A nail is rubbed with the south side of a bar magnet from head to tip. The tip of the nail becomes a

• equator
• north pole
• south pole
• neutral

Tags

NGSS.MS-PS2-5

Which of the following options could demagnetize a magnetized nail? Select all that apply.

• Electrocuting it

• Heating it

• Submerging it in water

• Dropping it

• Hitting it with a hammer

A scientific model is

• A piece of evidence.

• An observed phenomenon that shows how science works.

• A picture or written explanation to describe how a phenomenon works.

• A prediction made about an experiment.

A compass needle is most likely a

• di-magnetized ferromagnetic material

• non-ferromagnetic material

• magnetized ferromagnetic material

• unmagnetized ferromagnetic material

You have a magnet along with a penny, an iron nail, a piece of wood, and a plastic bag. Which will the magnet attract to?

• penny
• iron nail

• piece of wood

• plastic bag

Tags

NGSS.MS-PS2-5

You hold two magnets so they repel each other. If you turn both of them around 180 degrees, they will

• do nothing

• attract each other
• still repel each other
• become neutral to each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

You have two unknown materials and see that they attract to each other. Which of the following are possibilities for what the two materials could be? Select all that apply

• Both could be non-ferromagnetic material.

• One could be a magnet and the other could be a non-ferromagnetic material.

• One could be a magnet and one could be a ferromagnetic material

• Both could be magnets

Tags

NGSS.MS-PS2-5

Which of the following would be evidence that we have collected in this class?

• We read about magnetic domains in the M.3 reading.

• Our teacher told us that magnets have a North and South Pole.

• We saw that when we placed a rubbed nail on a float in water, it spun to point in the same direction each time.

• We read an amazon review written by someone whose magnet stopped working.

Tags

NGSS.MS-PS2-3