Magnets and Magnetism

Question 1

Mateo drew the field lines around the ends of two bar magnets but forgot to label the direction of the lines with arrows.

Revolt · Accepted Answer

left

Question 2

A compass taken to Earth’s moon does not point in a specific direction on the moon. What is the most likely reason for the difference between how the compass works on Earth and on the moon?

Revolt · Accepted Answer

The moon does not have a strong magnetic field.

Question 3

Which statement about Earth’s core helps explain Earth’s magnetic field?

Revolt · Accepted Answer

Earth’s core is composed of iron and nickel.

Question 4

Jill uses a magnet to pick up a nail. Then, she touches the nail to a paper clip and picks up the paper clip. What will most likely happen when she pulls the magnet away from the nail?

Revolt · Accepted Answer

The paper clip will fall off of the nail because the nail was only a temporary magnet.

Question 5

Which refers to the ends of a magnet where the forces are strongest?

Revolt · Accepted Answer

magnetic poles

Question 6

Mr. Garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is

Revolt · Accepted Answer

iron.

Question 7

Two bar magnets are hung from metal rods and held in the position shown below. The magnets are released and swing freely. Which diagram best predicts their final position?

Revolt · Accepted Answer

A rectangular box with 2 black lines running down from it, each to a horizontal bar magnet labeled N to the left and S to the right. There is a gap between the magnets. The left magnet hangs to the right. The right magnet hangs to the left.

Question 8

In an illustration, lines of force are drawn around a magnet to illustrate the magnetic

Revolt · Accepted Answer

field.

Question 9

The diagram shows the field lines near the poles, X and Y, of two magnets.

Revolt · Accepted Answer

X: northY: north

Question 10

Which best describes Earth’s magnetic field lines?

Revolt · Accepted Answer

The field lines go out of Earth near the geographic South Pole and enter Earth near the geographic North Pole in an area where the magnetic pole does not align with the geographic pole.

Magnets and Magnetism Answers

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