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Physics, 06.03.2020 23:58 jialala

1 Question 18.33 pts
A magnet can hold a piece of paper to the door of a refrigerator. How does the magnet stick without touching the door?
Group of answer choices

A Atoms from the magnet pass through the paper and touch the door.

B Gravity attracts the magnet to the door.

C The magnet induces a magnetic field in the paper.

D The magnetic force of the magnet can act at a distance.

2 Question
Question 28.33 pts
A student is investigating with magnets. She places one end of a bar magnet near the end of another bar magnet. The diagram shows her investigation.

(Also a Picture)

The student claims that the two magnets have a magnetic field that exists between them. What will occur that will support the student's claim?
Group of answer choices

A The magnets will repel each other as the closest poles have opposite charges.

B The magnets will be attracted to each other as the closest poles have like charges.

C The magnets will repel each other as the closest poles have like charges.

D The magnets will be attracted to each other as the closest poles have opposite charges.

3 Question
Question 38.33 pts
Which statement about magnetic poles is accurate?
Group of answer choices

A Opposite magnetic poles repel, while like magnetic poles attract.

B Same magnetic poles attract, while different magnetic poles repel.

C All magnetic poles attract and none repel.

D Opposite magnetic poles attract, while like magnetic poles repel.

4 Question
Question 48.33 pts
Giovanni sprinkled iron filings around a magnet. Which of the following did Giovanni most likely see?
Group of answer choices

A The iron filings lining up with the magnetic field lines

B The iron filings accumulating only at the poles of the magnet

C The iron filings randomly falling around the magnet

D The iron filings spread evenly around the magnet.

5 Question
Question 58.33 pts
A student is investigating with magnets. The student uses a bar magnet, a plastic ruler, and a paper clip to perform her investigation. The student places the bar magnet at different distances from the paper clip along the ruler and observes if the paper clip is attracted to the magnet. Her set up and results are shown.

(Image at bottom)

Which argument can the student make using the evidence in her table?

Group of answer choices

A Magnetic fields are strongest at the poles of the magnet.

B Magnetism increases as the distance between objects increases.

C Magnetism depends on the materials of the objects.

D Magnetic fields exist between objects that are not in contact.

6 Question
Question 68.33 pts
Which statement best explains why a magnetic compass will not work well near electrical power lines?
Group of answer choices

A Electrical power lines produce a magnetic field that will prevent the compass from working.

B Electrical power lines will cause a short in the compass and will prevent the compass from working.

C Electrical power lines will produce a power surge that will prevent the compass from working.

D Electrical power lines have too many birds that will prevent the compass from working.
THERE IS ALSO A 2nd PART

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Answers: 3

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1 Question 18.33 pts
A magnet can hold a piece of paper to the door of a refrigerator. How doe...
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