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What is the mid-ocean ridge?
The chain of mountains that extends into all of Earth's oceans and is the longest mountain chain
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The feature on the ocean floor where the oceanic crust bends downward is the...
Deep-ocean trench
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What is Sea-Floor Spreading??
The process that continually adds new material to the ocean floor
Evidence of the process are from : drilling samples, Molten Material and magnetic stripes
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What is the process by which the mantle sinks into the deep-ocean trench, removing material??
Subduction
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What is a Divergent boundary??
The place where two plates move apart
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Which way do divergent boundaries move??
- <------ ------>
- Apart in opposite directions
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What're convergent boundaries??
The place where two plates come together, or collide
- 3 examples: Continental .vs.Continental
- Continental .vs. Oceanic
- Oceanic .vs. Oceanic
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Which do convergent boundaries move??
- -------><-------
- They collide into each other
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A transform Boundary is...
A place where plates are slipping past each other, moving in opposite directions
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How do transform boundaries move??
- <-------
- ------->
- They move past, grinding each other
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What happens as a result of a divergent boundary??
ocean floor spreading
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What happens as a result of transform boundaries??
earthquakes
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What happens as a result of convergent boundaries??
- Continental .vs. Continental: mountains (Himalayas)
- Continental .vs. Oceanic: Subduction, trench, volcano (Andes Mountains)
- Oceanic .vs. Oceanic: Subduction, trench, volcano (Indonesia)
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