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Chapter 7 E. Science

QuestionAnswer
Wenger thought that all the continents were once together in one large continent called Pangea
New oceanic lithosphere forms as a result of sea-floor spreading
Evidence for sea- floor spreading has come from magnetic minerals
hypothesis that states that the continents were once one large mass that broke apart continental drift
process that takes place at mid-ocean ridges sea-floor spreading
part of molten rock at mid-ocean ridges magnetic minerals
items that provide evidence that the continents were once closer together fossils
tectonic plates consist of both continental and oceanic crust
the deep interior of the Earth can be mapped using seismic waves
the layer of rock that comprises 67% of Earth's mass mantle
the layer of Earth made mostly of iron core
the thin, solid outermost layer above the mantle crust
the rigid layer made up of crust and upper mantle lithosphere
the layer made of solid rock that slowly flows asthenosphere
the lower part of the mantle mesosphere
the global positioning system can map the rate of tectonic plate movement using radio waves
a possible result of plates moving along a transform boundary is earthquakes
where two plates collide convergent boundary
where two plates are moving away from each other divergent boundary
where two plates are moving horizontally past each other transform boundary
process of moving layers of rock by heating and cooling convection
where denser oceanic lithosphere sinks beneath continental lithosphere slab pull
where oceanic lithosphere slides downhill due to gravity ridge push
stress at a divergent plate boundary tension
stress at a convergent plate boundary compression
upward -arching rock layer anticline
downward-arching rock layer syncline
hanging wall moves down relative to footwall normal fault
hanging wall moves up relative to footwall reverse fault
sinking of rock layers subsidence
rising of rock layers uplift
Created by: Hannah Luithle
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