Magnets and Magnetism

Question 1

Juanita sticks a nail to the end of a bar magnet. She then sticks a second nail to the first, then another to that one, and so on. When she gets to the seventh nail, it falls off the sixth nail.Which statement best describes the forces acting on the seventh nail?

Revolt · Accepted Answer

The force of gravity is stronger than the force of magnetism.

Question 2

The magnetic field lines of a bar magnet spread out from the

Revolt · Accepted Answer

north end to the south end.

Question 3

Use the drop-down menu to complete each statement.

Revolt · Accepted Answer

A north pole will a north pole.: repel; A north pole will a south pole.: attract

Question 4

✔ same poles are closest togetherX opposite poles are closest together

Revolt · Accepted Answer

✔ same poles are closest together

Question 5

Which statements accurately describe Earth’s magnetic field? Check all that apply.The magnetic field lines flow from Antarctica to northern Canada.The magnetic field is created by magnetic rocks on the surface.The magnetic poles line up exactly with Earth’s geographic poles. The magnetic field is generated in Earth’s core.The magnetic field is similar to the magnetic field of a bar magnet.

Revolt · Accepted Answer

The magnetic field lines flow from Antarctica to northern Canada.; The magnetic field is generated in Earth’s core.; The magnetic field is similar to the magnetic field of a bar magnet.

Magnets and Magnetism Answers

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