vocabulary: plate tectonics Flashcards Preview

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Flashcards in vocabulary: plate tectonics Deck (20):
1

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

Collisional boundary

2

a boundary between plates that are moving toward each other.

Convergent boundary

3

the rocky outer layer of Earth.

Crust

4

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

Divergent boundary

5

shaking and vibration of Earth's surface.

Earthquake

6

the rigid upper layer of the Earth.

Lithosphere

7

the layer of Earth between the crust and the core.

Mantle

8

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

Plate

9

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

Plate tectonics

10

a convergent boundary where one plate is sliding beneath another.

Subduction zone

11

a boundary between plates that are sliding past one another.

Transform boundary

12

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

Volcano

13

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

Uplift

14

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

Subsidence

15

stress that occurs when forces act to stretch an object.

tension

16

stress that occurs when forces act to squeeze an object.

compression

17

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

normal-faults

18

fold in rock that bends upward into an arch

anticline

19

fold in rock that bends downward to form a valley

syndine

20

one side shifts up relative to the other side

reverse fault