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science word list
| Question | Answer |
|---|---|
| deposition | the process by which the sediment settlesout of the water or wind that is carrying it |
| earthquake | the shaking that results from movement of rockbeneath Earths surface |
| erosion | the destructive process process in which water or wind loosen and carry away fragments of rock |
| fault | a break in earth surface were slabs of rock slip past each other |
| fossil | the trace of an ancient organism that that has been preserved |
| geology | the study of earth |
| igneous rock | the type of rock that forms from cooling of molten rock |
| lava | liquid magma |
| magma | the molten micxture of rock forming gases,substances,and water |
| metamorphic rock | a type of rock formed from other rock |
| continental drift | the hypothesis that the continents move |
| mineral | naturally ocurring ignoranic solid that has a crystal structure |
| Pangaea | the name of a single landmass that broke apart 200million years ago |
| plate tectonics | the thereoy of plates moving continets |
| Richter scale | the scale that rates seimic waves |
| sedimentary rock | a type of rock formed by other rock |
| volcano | aweak spot in the crust where magmahas come to the surface |
| hydrosphere | the water on or surrounding the surface of the globe |
| glacier | an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly |
| humus | the dark organic material in soils, |
| lithosphere | the solid portion of the earth |
| permeable | capable of being permeated. |
| soil | the portion of the earth's surface consisting of disintegrated rock and humus. |
| weathering | the various mechanical and chemical processes that cause exposed rock to decompose. |