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Inside earths vocab!
Inside earth vocab
| Question | Answer |
|---|---|
| continental drift | The hypothesis that the continents slowly move across Earth's 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 Earth's 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 acient organism that has been preserved in rock. |
| geology | The study of planet earth. |
| igneous rock | A type of rock that forms the cooling of molten rock at or below the surface. |
| lava | Liquid magma that reaches the surface; also the rock formed when liquid lava hardens |
| magma | The molten mixtureof rock-forming substances, gases, and water from the mantle |
| metamorphic rock | A type of rock that forms from an existing rock thst is changed by ehat,pressure, or chemical reactions |
| mineral | A naturally-occuring, ignoric solid that has a crystal sructure and a definite chemical compossition. |
| Pangaea | The name of this single landmass that broke apart 200 million years ago and gave rise to today's continents |
| plate tectonics | the therory that peices of earth's lithosphere are in constant motion, driven by convection currents in the middle. |
| Richter scale | A scale that rates seismic wacws 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 pressed and cemented together. |
| volcano | A weal spot in the crut where magma has come to the surface. |
| glacier | ice mass: a large body of continuously accumulating ice and compacted snow, formed in mountain valleys or at the poles, that deforms under its own weight and slowly moves |
| hydrosphere | all water on earth: the portion of Earth's surface that is water, including the seas and water in the atmosphere |
| humus | organic component of soil: a dark-brown organic component of soil that is derived from decomposed plant and animal remains and animal excrement. |
| lithosphere | A rigid layer made up of the uppermost part of the mantle and the crust |
| permeable | allowing substances through: allowing liquids, gases, or magnetic fields to pass through |
| soil | top layer of land: the top layer of most of the Earth's land surface, consisting of the unconsolidated products of rock erosion and organic decay, along with bacteria and fungi |
| weathering | effect of weather on rocks: the disintegration and decomposition of rocks and minerals by natural processes such as the action of frost or percolating ground water |
Created by:
nugget1
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