Test 7

Question 1

Which of the following causes the plates to move away from each other?

Answer 1

convection current

Question 2

All are the main drivers of plate movement, EXCEPT?

Answer 2

fault/another words

Question 3

When the seafloor is pushed far from the mid-ocean ridge, this allows the creation of rift valley. Which of the given choices below is an example of this event?

Answer 3

Red Sea

Question 4

Who is the American geologist who introduced the concept of seafloor spreading together with Robert Dietz in the 1960s?

Answer 4

Harry Hess

Question 5

What does the number two (2) indicates as shown in the illustration?

Answer 5

new seafloor

Question 6

The hot, molten material that rises towards the surface of the mid-ocean ridge flows ____________ carrying the seafloor _______________ from the ridge.

Answer 6

sideways, away

Question 7

What process causes one tectonic plate to sink beneath another at a subduction zone?

Answer 7

slab pull

Question 8

Where the old seafloor destroys when it gets farther from the ridge?

Answer 8

at the subduction zone

Question 9

What does the number one (1) indicates as shown in the illustration?

pa circle movement

Answer 9

convection current

Question 10

Which of the following best describes seafloor spreading?

Answer 10

New seafloor is formed near the mid-ocean ridge and moves outward.