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APES: Chapter 8, Geology - TEST: Thursday, December 7th

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Section 1

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divergent plate boundary

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Mar 1, 2020

Cards (22)

Section 1

(22 cards)

divergent plate boundary

Front

an area beneath the ocean where tectonic plates move away from each other

Back

fault zone

Front

a large expanse of rock where a fault has occurred

Back

earthquake

Front

The sudden movement of Earth's crust caused by a release of potential energy along a geologic fault and usually causing a vibration or trembling at Earth's surface.

Back

seafloor spreading

Front

The formation of new ocean crust as a result of magma pushing upward and outward from Earth's mantle to the surface.

Back

Asthenosphere

Front

The layer of Earth located in the outer part of the mantle, composed of semi-molten rock.

Back

Subduction

Front

The process of one crustal plate passing under another

Back

fault

Front

a fracture in rock caused by a movement of Earth's crust

Back

magma

Front

molten rock

Back

plate tectonics

Front

The theory that the lithosphere of Earth is divided into plates, most of which are in constant motion.

Back

Lithsophere

Front

the outermost layer of Earth, including the mantle and crust

Back

tranform fault boundary

Front

an area where tectonic plates move sideways past each other

Back

crust

Front

In geology, the chemically distinct outermost layer of the lithosphere

Back

Richter scale

Front

a scale that measures the largest ground movement that occurs during an earthquake (this scale increases by a factor of ten, so an earthquake of 7 is 10 times greater than an earthquake of 6.)

Back

core

Front

the innermost zone of Earth's interior, composed mostly of iron and nickel. It includes a liquid outer layer and a solid inner layer.

Back

hot spot

Front

a place where molten material from Earth's mantle reaches the lithosphere

Back

mantle

Front

The layer of Earth above the core, containing magma.

Back

epicenter

Front

The exact point on the surface of Earth directly above the location where rock ruptures during an earthquake.

Back

seismic activity

Front

the frequency and intensity of earthquakes experienced over time

Back

tectonic cycle

Front

the sum of the processes that build up and break down the lithosphere

Back

convergent plate boundary

Front

an area where plates move toward one another and collide

Back

volcano

Front

a vent in the surface of Earth that emits ash, gases, or molten lava

Back

rock cycle

Front

The geological cycle governing the constant formation, alteration, and destruction of rock material that results from tectonics, weathering, and erosion, among other processes. (the slowest cycle on earth)

Back