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divergent

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Science

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Date created

Mar 14, 2020

Cards (15)

Section 1

(15 cards)

divergent

Front

dividing or moving apart

Back

lithosphere

Front

outermost, rigid layer of the Earth

Back

seafloor spreading

Front

Hess's theory that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge

Back

ring of fire

Front

the chain of volcanoes that lines the Pacific Rim

Back

convergent boundary ------ continental oceanic

Front

ocean crust goes below the continents crust because its more dense; subduction zone; volcanoes form here

Back

convection current

Front

causes hotter magma to rise causes cooler magma to sink transfer of energy in the mantle

Back

continental crust

Front

The portion of the earth's crust that primarily contains granite, is less dense than oceanic crust, and is 20-50 km thick

Back

Rift Valley

Front

two continent crusts diverge

Back

convergent boundary ----oceanic oceanic

Front

older crust goes below the other one and creates a volcanic arch of islands; subduction zone

Back

Athenosphere

Front

the upper layer of the earth's mantle

Back

plate tectonics

Front

The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.

Back

Convergent Boundary (Continental/Continental)

Front

the boundary between tectonic plates that are colliding creates folded mountains

Back

mid-ocean-ridge

Front

two oceanic crusts diverge

Back

oceanic crust

Front

thinner, more dense, younger crust making ocean floor

Back

transform boundary

Front

plates slide past each other creating earthquakes

Back