Plate Tectonics Review

Question 1

What happens in sea-floor spreading?

Accepted Answer

New rock forms

Question 2

In the mantle, hot materials sink and cooler materials rise.

Accepted Answer

False

Question 3

A boundary where two plates push together is called a

Accepted Answer

convergent boundary

Question 4

Mid-ocean ridges occur at divergent boundaries.

Accepted Answer

True

Question 5

Which of Earth's layers is the hottest?

Accepted Answer

core

Question 6

The top layer of the mantle is called

Accepted Answer

lithosphere

Question 7

Pressure increases inside Earth from the crust to the core

Accepted Answer

True

Question 8

Earth's plates move because of

Accepted Answer

convection currents

Question 9

Oceanic crust is mostly made of

Accepted Answer

basalt

Question 10

A fault will usually be found at a

Accepted Answer

transform boundary

Question 11

Subduction

Accepted Answer

happens at deep-ocean trenches

Question 12

Earth is like a giant magnet because of convection currents in the

Accepted Answer

mantle

Question 13

Which of Earth's layers is the thinnest?

Accepted Answer

crust

Question 14

Continental crust is made mostly of

Accepted Answer

granite

Question 15

Earth's layers in order are

Accepted Answer

crust, mantle, outer core, inner core

Question 16

Sea-floor spreading takes place at deep-ocean trenches.

Accepted Answer

False

Question 17

The transfer of heat by the movement of particles in fluids is called

Accepted Answer

convection

Question 18

The transfer of energy through space is

Accepted Answer

radiation

Question 19

There is no evidence that sea-floor spreading really happens

Accepted Answer

False

Question 20

These are formed when continental plates move apart

Accepted Answer

rift valleys

Question 21

The process in which continents slowly move is called

Accepted Answer

continental drift

Questions 21