Plate Tectonics

Question 1

The youngest rocks in the ocean floor are located at the mid-ocean_______.

Accepted Answer

ridges

Question 2

What type of plate boundary is most likely to occur at point A in the diagram?

Accepted Answer

Divergent

Question 3

A very deep valley formed at a subduction zone.

Accepted Answer

Trench

Question 4

Do two colliding continental plates ALWAYS cause volcanoes?

Accepted Answer

No

Question 5

Which of the following can be explained in this diagram?

Accepted Answer

Plates move toward each other and volcanoes form

Question 6

A trembling or shaking of the ground caused by a release of energy along a transform boundary.

Accepted Answer

Earthquake

Question 7

A divergent boundary is a boundary between two plates that_______________________.

Accepted Answer

Move away from each other

Question 8

What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?

Accepted Answer

Lithospheric plate movement

Question 9

What is the process occurring in the mantle that is the force behind plate tectonics?

Accepted Answer

Convection current

Question 10

Boundary between two plates that are moving toward eachother.

Accepted Answer

Convergent Boundary

Question 11

What do scientists believe is the force behind the plate tectonics theory?

Accepted Answer

Convection currents

Question 12

A fracture in the crust along which a movement has taken place.

Accepted Answer

Fault

Question 13

Opening in the Earth's crust where lava,ash, and hot gases flow or burst out during an eruption

Accepted Answer

Volcano

Question 14

Boundary between two plates that are sliding past eachother.

Accepted Answer

Transform Boundary

Question 15

Which of the following is true about the lithospheric plates?

Accepted Answer

They constantly move

Question 16

What type of plate boundary has plates sliding past each other?

Accepted Answer

Transform boundaries

Question 17

Which scientists is credited with the Continental Drift Theory?

Accepted Answer

Alfred Wegener

Question 18

What type of boundary might mountains forms?

Accepted Answer

Convergent boundaries

Question 19

What is the approximate rate of plate movement?

Accepted Answer

A few centimeters a year

Question 20

Boundary separating two plates that are moving away from eachother.

Accepted Answer

Divergent Boundary

Question 21

The cycle of heating, rising, cooling, and sinking is called a _______________.

Accepted Answer

Convection current

Question 22

What is the name of the supercontinent that Alfred Wegener theorized about?

Accepted Answer

Pangaea

Question 23

Which of the following is used as evidence for seafloor spreading?

Accepted Answer

Magnetic pole reversal

Question 24

What does plate tectonics cause?

Accepted Answer

All of these

Question 25

What happens to rock around a subduction zone?

Accepted Answer

It goes under the other plate

Question 26

What evidence proved S. America, Africa, India, and Australia were once joined together?

Accepted Answer

Fossils and Mountain formations

Question 27

How do scientists explain the formation of underwater mountain ranges?

Accepted Answer

Seafloor spreading

Plate Tectonics

Questions 27

Plate Tectonics

Questions 27