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18 Cards in this Set
- Front
- Back
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What is one possible result of plates moving along a transform boundary?
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Earthquakes
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What type of boundary is formed when plates slide past each other?
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A transform boundary
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What is a divergent boundary?
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Where two plates are moving away from each other.
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What do you call it when the oceanic lithosphere slides downhill due to gravity?
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Ridge Push
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What forms as a result of sea-floor spreading?
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New oceanic lithosphere
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What type of boundary is formed when plates collide?
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Convergent Boundary
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What kind of mountain is formed when magma reaches the Earth's surface?
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Volcanic
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What do tectonic plates "float" on?
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The asthenosphere
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What is convection?
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Convection is the process of moving layers of rock by heating and cooling.
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What do tectonic plates consist of?
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Both continental and oceanic crust
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What do you call the area where two tectonic plates meet?
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A boundary
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Where does sea-floor spreading take place?
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At mid-ocean ridges
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What can tectonic plates form when they converge?
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Mountains
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What is a transform boundary?
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Where two plates are moving horizontally past each other.
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What does the global positioning system use to map the rate of tectonic plate movement?
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Radio waves
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What type of boundary is formed when plates separate?
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A divergent boundary
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What are rift zones?
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Deep cracks that form between two tectonic plates that are pulling away from each other.
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If the Earth's crust is growing at mid-ocean ridges, why doesn't the Earth grow larger?
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Because the Earth's crust is part of the rock cycle.
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