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section 3 and 4 voca
Stack #150168
| Question | Answer |
|---|---|
| tectonic plates | enormous moving pieces of he earths lithosphere |
| fault | fracture in the earths surface |
| earthquake | voilent movement of the earth |
| seismograph | measures the size of the waves created b the eathquake |
| epicenter | he point directly above the focus of the earthquake; middle |
| Richter scale | determines he strength of the earthquake |
| tsuanmi | underwater earthquakes; giant wave in the ocean |
| volcano | magma, gases, water from the lower part of the crust the mantle collects in the underground chambers and pours out he cracks in the side of the volcono |
| lava | magma that has reached the earths surface |
| ring of fire | zone around the rim of the pacific ocean is the location of the vast majority of acive volcanoes |
| weathering | physical and chemical processes that change the characteristics of rocks |
| sediment | small pieces of rock |
| mechanical weathering | procecss that breaks roks into smaller pieces |
| chemical weathering | occurs when rock is changed into a new substance |
| erosion | weathered materials are move by the action of wind, water, ice, or gravity |
| delta | when a river enters the ocean the sediment is deposited in a fan- like formation |
| loess | wind blown by silt and clay sediment that produces fertile soil |
| glacier | large, long lasting mass of ice that moves because of gravity |
| glaciation | changing of landforms |
| moraine | rocks left behind by a glacier |
| humus | textures of soil and the amount of organic materials |
Created by:
Deac
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