Convection and Plate Tectonics

Question 1

In order for convection to occur there must be a(n)...

Accepted Answer

energy source

Question 2

In which layer of the earth does convection happen?

Accepted Answer

mantle

Question 3

Oceanic plates are _________ than continental plates.

Accepted Answer

more dense

Question 4

What is the name for plates that are under oceans?

Accepted Answer

oceanic

Question 5

Volcanoes are formed by which plate boundary?

Accepted Answer

Convergent oceanic-continental

Question 6

A hot fluid is

Accepted Answer

less dense

Question 7

Island arcs are formed by which boundary type?

Accepted Answer

convergent oceanic-oceanic

Question 8

Faults are formed by which boundary?

Accepted Answer

transform

Question 9

A more dense fluid will ________ in a fluid.

Accepted Answer

sink

Question 10

A less dense fluid will ____________ in a fluid.

Accepted Answer

rise

Question 11

Which boundary is shown?

Accepted Answer

transform

Question 12

Mountains are formed by which boundary?

Accepted Answer

convergent continental-continental

Question 13

Which boundary is being shown?

Accepted Answer

convergent

Question 14

Continental plates are _____________ than oceanic plates.

Accepted Answer

less dense

Question 15

Why does a fluid cool at the top of the convection current?

Accepted Answer

It is far away from the energy source

Question 16

A cold fluid is..

Accepted Answer

more dense

Question 17

When one plate sinks below another plate it is called...

Accepted Answer

Subduction

Question 18

Rift Valleys or ridges are formed by which plate boundary?

Accepted Answer

divergent

Question 19

Which boundary is shown?

Accepted Answer

divergent

Question 20

What is the name of plates underneath continents?

Accepted Answer

continental

Question 21

The energy source for convection in the earth is the...

Accepted Answer

core

Questions 21