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Inside earth vocab!
inside earth vocabulary
| Question | Answer |
|---|---|
| continental drift | The hypothesis that the continents slowly move across the Earths surface. |
| deposition | The process by which sediment settles out of the water or wind that is carrying it. |
| earthquake | The shaking that results from the movement of rock beneath Earths surface. |
| erosion | The destructive process in which water or wind loosen and carry away fragments of rock. |
| fault | A break in Earth's crust where slabs of rock slip past each other. |
| fossil | A trace of an ancient organism that has been preserved in rock. |
| geology | The study of planet earth. |
| igneous rock | A type rock that forms from the cooling of molten rock at or below the surface. |
| lava | Liquid magma that reaches the surface; also the rock when liquid lava hardens. |
| magma | The molten mixture of rock-forming substance, gases, and water from the mantle. |
| metamorphic rock | A type of rock that forms from an existing rock that is changed by heat, pressure,or chemical reaction. |
| mineral | A naturally-occuring, inorganic solid that has a crystal stucture and a definite chemical composition. |
| Pangaea | The name of the single landless that broke apart 200 million years ago and gave rise to today's continents. |
| plate tectonics | The theory that pieces of earths lithosphere are in constant motion, driven by convection currents in the mantle. |
| Richter scale | A scale that rates seismic waves as measured by a particular type of mechanical seismograph. |
| sedimentary rock | A type of rock that forms when particles from other rocks or the remains of plants and animals are presses and cemented together. |
| volcano | A weak spot in the crust where magma has come to the surface. |
| glacier | Moving mass of ice that survives year to year, formed by the compacting of snow into névé and then into granular ice and set in motion outward and downward by the force of gravity and the stress of its accumulated mass. |
| hydrosphere | The water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. |
| humus | The dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth. |
| lithosphere | A rigid layer made up of the uppermost part of the mantle and the crust. |
| permeable | Capable of being permeated |
| soil | The portion of the earth's surface consisting of disintegrated rock and humus. |
| weathering | Geol.the various mechanical and chemical processes that cause exposed rock to decompose. |
Created by:
bbrider33
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