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Unit 5 & 6: Non-Contact Forces Test
16 of 1916 of 19 Items












































Question
Possible Points: 4
A student is investigating magnetic fields. The picture shows what happens when the student drops iron filings on a bar magnet.

Image related to the assessment question

The student claims that the magnetic fields are not the same across the magnet. Using the picture, what evidence best supports the claim?
Responses

The magnetic fields of the magnet are strongest at the south pole.
The magnetic fields of the magnet are strongest at the south pole.

The magnetic fields of the magnet are strongest at both poles.
The magnetic fields of the magnet are strongest at both poles.

The magnetic fields of the magnet are strongest at the north pole.
The magnetic fields of the magnet are strongest at the north pole.

The magnetic fields of the magnet are strongest at the middle.
The magnetic fields of the magnet are strongest at the middle.

Answer 1

The magnetic fields of the magnet are strongest at both poles.

Evidence: the iron filings are densest (closely packed) at the two ends of the bar magnet, showing stronger field there, and are sparser along the middle.