Seafloor Spreading & Plate Tectonics

Question 1

This layer is the syrupy liquid, plasticlike rock layer of the mantle with churning, hot, angry magma.

Accepted Answer

asthenosphere

Question 2

Name the plate boundary formed when two plates slide alongside each other.

Accepted Answer

transform

Question 3

When two continental plates converge and fold the result is what?

Accepted Answer

mountain range

Question 4

This includes all 4 layers of the Earth combined.

Accepted Answer

geosphere

Question 5

When oceanic crust spreads and sinks down under the continental crust, it creates a ____________ zone.

Accepted Answer

subduction

Question 6

What is made when magma escapes from mid-ocean ridges pushes sideways on the oceanic crust?

Accepted Answer

seafloor spreading

Question 7

Volcanoes form at what type of plate boundary?

Accepted Answer

Convergent boundary of ocean plate to continental plate

Question 8

This layer is the crust and the very top of the mantle where it meets the crust.

Accepted Answer

lithosphere

Question 9

Earthquakes occur MOST often along which type of plate boundary?

Accepted Answer

transform boundary

Question 10

Name the plate boundary formed when two plates pull away from each other.

Accepted Answer

divergent

Question 11

Name the plate boundary formed when two plates collide.

Accepted Answer

convergent

Question 12

Younger rocks are found closer to mid-ocean ridges.

Accepted Answer

True

Question 13

The circular transfer of heat in the mantle that drives plate movements is called what?

Accepted Answer

convection currents

Question 14

About how far do plates move in one year?

Accepted Answer

a few centimeters

Question 15

What is the thin spot in the crust where magma can often leak through and make new rocks?

Accepted Answer

mid-ocean ridge

Question 16

What did one earthquake say to the other?

Accepted Answer

"It&#x27;s not my fault."

Question 17

When two plates slide alongside each other this creates a _________ which is where earthquakes occur.

Accepted Answer

fault

Questions 17