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Geology Vocab 1
General, plates, volcanos
| Question | Answer |
|---|---|
| List the zones of the earth | core, mantle, crust |
| upper mantle and crust | lithosphere |
| Earth’s crust divided into number of plates that move over time, form by seafloor spreading, etc., marine plates dense and go under continental plates at subduction zones, earthquakes and volcanoes associated with plate boundaries | Plate tectonics |
| Pangea | “supercontinent” formed by convergence of Earth’s plates |
| plates move apart, found at spreading ocean ridges | divergent plate boundary |
| two plates collide, denser oceanic plate moves under continental plate, called a subduction zone as oceanic plate is subducted beneath continental plate, where earthquakes occur | convergent plate boundary |
| two plates slide past one another | transform plate boundary |
| movement of Earth along a fault | earthquake |
| where earthquake begins | focus |
| seismic waves | S (move slowly, shear waves, move up/down), P (move rapidly, compression waves, move side to side), |
| giant sea wave produced by earthquake | tsunami |
| molten rock | magma |
| magma once it reaches Earth’s surface | lava |
| List the parts of a volcano | magma chamber, pipe, vent, crater |
| this type of volcano has gentle slopes, non-violent eruptions | shield volcano |
| this type of volcano has steep slides, explosive eruptions | cinder cone volcano |
| this type of volcano has large, explosive eruptions (Mt. St. Helens) | composite volcano |
| Three factors that influence volcano eruption types | chemistry, temperature, pressure |
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FHSAPES
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