Plate Tectonics (ESS Ch 17)

Question 1

Subduction results in the formation of

Accepted Answer

deep-sea trenches

Question 2

The driving force of tectonic plates are related to convection currents in Earth's

Accepted Answer

mantle

Question 3

Plates come together at

Accepted Answer

Convergent boundaries

Question 4

Crust is neither destroyed nor formed along _ boundaries.

Accepted Answer

transform

Question 5

Each cycle of spreading and intrusion of magma during seafloor spreading

Accepted Answer

new ocean crust

Question 6

Many early mapmakers thought Earth's continents had moved based on

Accepted Answer

matching coastlines

Question 7

A long, narrow, fault-bounded, continental depression is a(n)

Accepted Answer

rift valley

Question 8

___ occurs when one tectonic plate descend beneath another

Accepted Answer

subduction

Question 9

A _ detects small changes in the Earth's magnetic field.

Accepted Answer

magnetometer

Question 10

To prepare for test, I am going to

Accepted Answer

look up video clips of topics that are still confusing to me, review with my friends, review my study guide

Question 11

A change in Earth's magnetic field is called a(n)

Accepted Answer

magnetic reversal

Question 12

Continental-continental plate collisions produce

Accepted Answer

very tall mountain ranges

Question 13

The study of Earth's magnetic record is is known as

Accepted Answer

paleomagnetism

Question 14

The magnetic pattern of ocean-floor rocks on one side of an ocean ridge is

Accepted Answer

a mirror image of that of the other side

Question 15

Isochron maps of the seafloor indicate that ocean crust is

Accepted Answer

youngest near ocean ridges

Question 16

Wegener's continental drift was not accepted because

Accepted Answer

He could not explain how continents moved

Question 17

The map line connecting points that have the same age is a(n)

Accepted Answer

isochron

Question 18

___ is the process that occurs at convergent boundaries.

Accepted Answer

slab pull

Question 19

Compared to ocean crust near deep-sea trenches, crust near ocean ridges is

Accepted Answer

younger

Question 20

The transfer of thermal energy by the movement of heated matter is

Accepted Answer

convection

Questions 20