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Science56

QuestionAnswer
What is a continental drift The hypothesis that the continents slowly move across eraths surface.
What is deposition The process by which sediment settles out of the water or wind that is carrying it.
What is a earthquake The shaking that results from the movement of rock beneath earths surface.
What is erosion The destructive process in which water or wind loosen and carry away fragments of rock.
What is a fault A break in the earths crust where slabs of rock slip past each other.
What is a fossil A trace of an ancient organism that has been preserved in rock.
what is geology The study of planet earth.
what is a igneous rock Atype of rock that forms from the cooling of molted rock at or below the surface.
what is lava Liquid magma that reaches the surface; also the rock formed when liquid lava hardens.
what is magma The molten mixture of rock-forming substances, gases, and water from the mantle.
what is metamorphic rock A type of rock that is forms from an existing rock that is changed by heat, preassure or a chemical reactions.
What is a mineral A naturally-occourring, inorganic solid that has a crystal structure and a definite chemical composition.
what is Pangaea The name of a single land mass that broke apart 200 milllion year ago and give rise to todays continents.
what is plate tectonics a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
What is Richter scale a scale, ranging from 1 to 10, for indicating the intensity of an earthquake.
What is sedimentary rock A type of rock that forms when particles from other rock or the remains of plants and animals are pressed and cemented together
what is volcano vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals.
what is glacier an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers.
what is hydrosphere the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere.
What is humus the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth.
What is lithosphere the solid portion of the earth (distinguished from atmosphere, hydrosphere).
What is permeable capable of being permeated.
What is soil the portion of the earth's surface consisting of disintegrated rock and humus.
What is weathering the various mechanical and chemical processes that cause exposed rock to decompose
Created by: jordanhfl
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