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

A north pole will a south pole.

Revolt · Accepted Answer

attract

Question 3

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

Revolt · Accepted Answer

north end to the south end.

Question 4

A north pole will a north pole.

Revolt · Accepted Answer

repel

Question 5

Three magnets are placed on a plastic stick as shown in the image. The magnets are floating above each other because the , which causes the magnets to push away from each other.

Revolt · Accepted Answer

same poles are closest together

Question 6

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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