Plate Tectonics

Question 1

Which feature is associated with a continental-continental plate boundary?

Accepted Answer

a mountain range

Question 2

What most likely led to the formation of the North American continent?

Accepted Answer

2 tectonic plates separated and moved away from each other

Question 3

Which of the following features forms when two oceanic plates converge?

Accepted Answer

subduction zones

Question 4

Process by which plate tectonics produces new oceanic lithosphere is called...

Accepted Answer

sea floor spreading

Question 5

Which will form when movement along a plate boundary forces a landmass to be pulled apart?

Accepted Answer

continental rift

Question 6

Divergent tectonic plate boundaries most commonly form:

Accepted Answer

ocean ridges

Question 7

What is occuring at the bottom of a subduction zone?

Accepted Answer

magma is being uplifted because of convection currents

Question 8

Where are most divergent boundaries found?

Accepted Answer

on the seafloor

Question 9

Which boundary type is known for earthquakes?

Accepted Answer

transform

Question 10

Which of the following landforms results from divergence of continental crust?

Accepted Answer

a rift Valley

Question 11

When oceanic plates and continental plates collide what happens?

Accepted Answer

less dense plate floats, denser plate subducts

Question 12

The Mid-Atlantic Ridge is an example of a ...

Accepted Answer

divergent boundary

Question 13

An example of ocean plate colliding into another ocean plate caused....

Accepted Answer

The Aleutian Islands

Question 14

Convergent boundaries are classified according to the...

Accepted Answer

compass direction of movement of the plates

Question 15

Which feature does not form as a result of tectonic plates diverging?

Accepted Answer

trench

Question 16

Tectonic plates interact at places called plate...

Accepted Answer

boundaries

Question 17

Oceanic crust is made mostly of ...

Accepted Answer

basalt and gabbro

Question 18

This happens when an oceanic plate converges with a continental plate...

Accepted Answer

a trench and a mountain range with many volcanoes form

Question 19

How does tectonic plate movement cause formation of mountain ranges?

Accepted Answer

convection currents in the mantle force 2 plates to collide

Question 20

Which of these processes involves the transfer of a large amount of thermal energy?

Accepted Answer

subduction

Question 21

Which of the following would most likely slow Earth's tectonic activity?

Accepted Answer

Earth's mantle becomes cooler

Question 22

Places where tectonic plates come together are called...

Accepted Answer

convergent boundary

Question 23

What occurs when one oceanic plate is forced down into the mantle beneath a second plate?

Accepted Answer

subduction zone

Question 24

Earth's crust and rigid upper mantle move in different directions and at different rates =

Accepted Answer

plate tectonic theory

Question 25

Which of the following is not associated with transform boundaries?

Accepted Answer

volcanoes

Question 26

Which tectonic plate boundary do plates slide horizontally past each other?

Accepted Answer

transform boundary

Question 27

What can happen when 2 oceanic plates converge and one is subducted into the mantle?

Accepted Answer

melted magma erupts and forms an arc of islands

Question 28

What happens along a divergent boundary?

Accepted Answer

new ocean crust forms

Question 29

What properties of Earth's crust and mantle that are most responsible for tectonic activity?

Accepted Answer

they are different states and have different temperatures

Question 30

Places where tectonic plates move apart are called...

Accepted Answer

divergent boundaries

Plate Tectonics

Questions 30

Plate Tectonics

Questions 30