Magnets and Magnetism - Quiz Quiz

Question 1

The north pole of a strong magnet is dragged down an iron nail from the top to the point 50 times. What will most likely happen when the nail is brought near a pile of small paper clips?

Revolt · Accepted Answer

B: The nail will pick up some paper clips because its domains have been aligned.

Question 2

Before beginning an experiment, Mrs. Wilson warns her science class not to drop the bar magnets on the floor. What is the most likely reason for Mrs. Wilson’s warning?

Revolt · Accepted Answer

B: The magnet might lose its magnetism.

Question 3

Steel objects can become temporary magnets because they are mainly composed of which element?

Revolt · Accepted Answer

D: iron

Question 4

How does the north pole of a magnet respond to the poles of other magnets?

Revolt · Accepted Answer

C: It attracts the south pole and repels the north pole.

Question 5

Two bar magnets are labeled A and B. The ends of each magnet are numbered 1 or 2, but the poles are not labeled. When A1 is brought near B1, the bars repel. Which conclusion is best supported by the data?

Revolt · Accepted Answer

D: A1 and B1 are like poles, but there is not enough information to tell whether they are north poles or south poles.

Question 6

An iron nail does not pick up paper clips as a magnet would. What can be concluded about the structure of the iron nail?

Revolt · Accepted Answer

A: It has domains that are not aligned.

Question 7

Which actions most likely cause the domains in a ferromagnetic material to align? Choose three correct answers.

Revolt · Accepted Answer

B: placing the material near a strong magnet; C: rubbing the material against a magnet; D: passing electricity around the material

Question 8

Which actions most likely cause the domains within a material to lose their alignment and become more randomized? Choose three correct answers.

Revolt · Accepted Answer

A: hitting the material; D: heating the material; E: placing the material in a magnetic field of opposite polarity

Magnets and Magnetism - Quiz Quiz Answers

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