Plate Tectonics

Question 1

A deep underwater canyon formed by oceanic crust subducting beneath continental crust.

Accepted Answer

deep-ocean trench

Question 2

Long chains of mountains that rise up from the ocean floor developed where new rock is forming.

Accepted Answer

mid-ocean ridges

Question 3

Newer crust is found near___.

Accepted Answer

mid-ocean ridges

Question 4

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle

Accepted Answer

subduction

Question 5

Feature formed at a transform plate boundary - and events that also occur due to these features

Accepted Answer

faults, earthquakes

Question 6

Which of the following was NOT one of the pieces of evidence Wegener used to support his theory

Accepted Answer

Length of ocean between the continents

Question 7

Wegener's hypothesis that all continents were once joined together in a single landmass.

Accepted Answer

continental drift

Question 8

The theory Earth's plates are in constant motion, driven by convection currents in the mantle

Accepted Answer

plate tectonics

Question 9

When plates slip past each other

Accepted Answer

transform boundary

Question 10

Due to Sea-floor spreading and subduction, which of the following is true:

Accepted Answer

The Atlantic Ocean is getting bigger, The Pacific Ocean is getting smaller

Question 11

Any trace of an ancient organism that has been preserved in rock.

Accepted Answer

fossil

Question 12

Evidence supporting sea-floor spreading includes ___.

Accepted Answer

magnetic striping lining up with the magnetic poles, pillow lava only found near mid-ocean ridges, age of rock samples found from drilling into the ocean floor, older rock near subduction zones and newer rocks by ridges

Question 13

Who was Alfred Wegener?

Accepted Answer

German scientist - meteorologist

Question 14

Features where continental-continental plates collide at a convergent boundary

Accepted Answer

mountains

Question 15

The solid outer shell, lithosphere, is broken into uneven pieces called ___.

Accepted Answer

plates

Question 16

Where pieces of Earth's crust diverge on land, a deep valley called

Accepted Answer

rift valley

Question 17

Features/processes where oceanic-continental plates diverge and move apart from each other

Accepted Answer

sea-floor spreading, mid-ocean ridges

Question 18

Older crust is found near ___.

Accepted Answer

subduction zones, deep-ocean trenches

Question 19

Features formed at convergent boundaries where continental-oceanic plates collide

Accepted Answer

subduction zones, deep ocean trenches, volcanoes

Question 20

Boundary when plates move apart or diverge from each other

Accepted Answer

divergent boundary

Question 21

Why was Wegener's hypothesis rejected?

Accepted Answer

No satisfactory explanation/mechanism for how plates moved

Question 22

Wegener theorized the landmasses were once connected in one supercontinent called?

Accepted Answer

Pangaea

Question 23

What is the longest mountain range on Earth?

Accepted Answer

Mid-Atlantic Ridge

Question 24

Features/processes where continental-continental plates pull apart

Accepted Answer

rift valley

Question 25

The process by which new crust is added to the ocean floor.

Accepted Answer

sea-floor spreading

Question 26

Boundary when plates come together or converge

Accepted Answer

convergent boundary

Question 27

Breaks in Earth's crust where rocks have slipped past each other

Accepted Answer

faults

Plate Tectonics

Questions 27

Plate Tectonics

Questions 27