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Lazoff-Earth Science
Vocabulary words for Earth Science
| Term | Definition |
|---|---|
| convection current | the process of material heating and rising, while cooler material falls |
| geology | the study of the interior and exterior of the Earth |
| pangaea | means "whole Earth", the |
| catastrophism | the process of shaping the surface of the Earth through rare and sudden events |
| organic | living or made by a living organism |
| inorganic | not living or created by nonliving material |
| igneous rock | rock that is formed from magma cooling |
| deposition | rock layers deposited in layers |
| uniformitarianism | the process of shaping the surface of the Earth through slow gradual processes such as erosion |
| uplift | the raising up of layers of rocks |
| subsidence | the sinking of layers of rocks |
| petrification | the process of minerals replacing an organism or body parts |
| eon | the longest amount of time |
| geologic column | undisturbed layers of rock used to helpe Geologist order layers |
| unconformity | rock layers that are missing a rock layer, or a layer that is not in the correct order |
| decay | the process of an organic material breaking down |
| divergent | a type of boundary where plates seperates or move in opposite directions. This happens at mid-ocean ridges |
| convergent | a type of boundary where plates collide or move toward one another. This create mountains, subduction zones, and volcanoes |
| fault | a break in rock, a crack between to fault walls |
| epicenter | the location on the surface directly above the focus or the starting point of the earthquake |
| focus | the location under the surface where the earthquake first orginates |
| dormant | a volcano that no longer active, but has the potential to be active. Often referred to as a sleeping volcano |
| viscosity | the amount of flow a liquid has. |
| meta | after or beyond |
| profile | the side view of an object, the view of rocks so that the layers can be seen |
| topography | a map or diagram showing the change in elevation |
| paleontology | the study of past life |
| Law of Superposition | a law that states that younger rock layers lie above older rock layers if undistrubed |
| transform | a boundary in which two plates slide past one another |
| subduction | the process of converging plates causing one plate (usually less dense) to slide under the other |
| magnitude | the relative size of something, how big or small the earthquake was |
| triangulation | the point where three lines intersect, used to pinpoint the epicenter of an earthquake |
| litho | meaning stone or rock |
| meso | meaning middle |
| geo | meaning earth |
Created by:
slazoff
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