vocabulary: plate tectonics

Question 1

a type of convergent boundary where two plate bearing continental crust are moving together.

Answer 1

Collisional boundary

Question 2

a boundary between plates that are moving toward each other.

Answer 2

Convergent boundary

Question 3

the rocky outer layer of Earth.

Answer 3

Crust

Question 4

a boundary between plates that are moving away from each other.

Answer 4

Divergent boundary

Question 5

shaking and vibration of Earth’s surface.

Answer 5

Earthquake

Question 6

the rigid upper layer of the Earth.

Answer 6

Lithosphere

Question 7

the layer of Earth between the crust and the core.

Answer 7

Mantle

Question 8

a rigid section of Earth’s crust that moves very slowly.

Answer 8

Plate

Question 9

the movement of plates that make up the surface of Earth.

Answer 9

Plate tectonics

Question 10

a convergent boundary where one plate is sliding beneath another.

Answer 10

Subduction zone

Question 11

a boundary between plates that are sliding past one another.

Answer 11

Transform boundary

Question 12

an opening in Earth’s crust from which lava, gas, and ash erupt.

Answer 12

Volcano

Question 13

the rising of regions of the Earth’s crust to higher elevations.

Answer 13

Uplift

Question 14

the sinking of regions of the Earth’s crust to lower elevations.

Answer 14

Subsidence

Question 15

stress that occurs when forces act to stretch an object.

Answer 15

tension

Question 16

stress that occurs when forces act to squeeze an object.

Answer 16

compression

Question 17

When rocks are pulled apart because of tension, normal faults often form.

Answer 17

normal-faults

Question 18

fold in rock that bends upward into an arch

Answer 18

anticline

Question 19

fold in rock that bends downward to form a valley

Answer 19

syndine

Question 20

one side shifts up relative to the other side

Answer 20

reverse fault