Lab: Magnetic and Electric Fields Answers

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1
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Which best describes Earth’s magnetic field lines?

A
The field lines go out of Earth at the geographic South Pole and enter Earth at the geographic North Pole in the area where the magnetic pole aligns with the geographic pole.
B
The field lines go out of Earth near the geographic South Pole and enter Earth near the geographic North Pole in an area where the magnetic pole does not align with the geographic pole.
C
The field lines go out of Earth at the geographic North Pole and enter Earth at the geographic South Pole in the area where the magnetic pole aligns with the geographic pole.
D
The field lines go out of Earth near the geographic North Pole and enter Earth near the geographic South Pole in an area where the magnetic pole does not align with the geographic pole.
2
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The diagram shows the field lines near the poles, X and Y, of two magnets.

Question illustration
A
X: northY: south
B
X: southY: north
C
X: northY: north
D
X: southY: south
3

Which statement describes a property of magnets?

A
Magnets repel objects that are made of iron.
B
Magnets attract sheets of paper.
C
Magnets attract or repel iron nails.
D
Magnets attract or repel other magnets.
4

Which statement about Earth’s core helps explain Earth’s magnetic field?

A
Earth’s core is composed of magnets.
B
Earth’s core is composed of iron and nickel.
C
The outer core is solid.
D
The inner core is liquid and moving.
5

Mr. Garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is

A
iron.
B
carbon.
C
plastic.
D
glass.

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