Question

oran wants to model the behavior of earths magnetic field when earths magnetic south is near earths geographic north using a ball, a bar magnet, and a compass. he designates the top of the ball as earths geographic north. which model in the table would most likely represent orans model? model 1 model 2 model 3 model 4

Explanation:

Step1: Recall magnetic pole - compass interaction

A compass needle's south pole is attracted to a magnetic north pole and vice - versa.

Step2: Analyze the placement of the bar magnet's south pole

Since Earth's magnetic south is near Earth's geographic north (designated as the top of the ball), the south pole of the bar magnet (which represents Earth's magnetic south) should be placed at the top of the ball.

Step3: Determine the compass needle's direction

The south pole of the compass will be attracted to the magnetic north pole. But in our model, the bar magnet's south pole (representing Earth's magnetic south) is at the top. The compass's south pole will point towards the magnetic north (opposite of the bar magnet's south pole in the model). Wait, no, actually, the basic rule is that the north pole of a compass points towards the magnetic south (because opposite poles attract). So if the bar magnet's south (representing Earth's magnetic south) is at the top (geographic north), the north pole of the compass points towards the top (magnetic south). But looking at the table, we need to check the options again.

Wait, correct rule: The north pole of a compass is attracted to the magnetic south pole. So if we place the bar magnet's south pole (representing Earth's magnetic south which is near geographic north) at the top of the ball (geographic north), the north pole of the compass will point towards the top (magnetic south). But looking at the table, Model 2 has the bar magnet's south pole at the top of the ball and the compass's south pole towards the magnetic south (which is the top of the ball in our case).

Answer:

Model 2