Test 8

Question 1

What constitutes the strongest evidence in support of seafloor?

Answer 1

Magnetic Reversal

Question 2

Where was Antarctica located?

Answer 2

Equator

Question 3

What clues did geologist find out about rocks that support the continents were once connected?

Answer 3

Rocks found in different continents show similarities in type, composition and structure.

Question 4

The continents were joined together in a single landmass and slowly drifted apart. What principle suggests this statement?

Answer 4

Continental Drift Theory

Question 5

Which of the following theories explained the movement of the lithospheric plates?

Answer 5

Plate Tectonics Theory

Question 6

Is it true that (I) the new seafloor contains magnetite (II) which keeps a record of the direction of the magnetic field?

Answer 6

Both I and II

Question 7

What best describes the rocks near the ridge?

Answer 7

younger and less dense

Question 8

Which of the following will happen if the seafloor DID NOT spread?

Answer 8

Polarity reversals would not be recorded.

Question 9

Who is the German meteorologist who hypothesized that the continents once formed a single landmass called Pangea?

Answer 9

Alfred Wegener

Question 10

What happens when the magnetic poles swap position?

Answer 10

This is recorded by the magnetite.