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Earth Science
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the movement of soil, rock, or sediment by the surface processes of the Earth
erosion
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forces that shape the Earth's land by building up mountains and other landforms
constructive forces
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all of the water that exists anywhere in or on th Earth, in any form
hydrosphere
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When talking about rock, which word means melted?
molten
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Which layer of the Earth is the thinnest?
crust
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a process where a glacier picks up rocks as it moves across the land
plucking
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What happens when groundwater causes the top of a cavern to collapse in on itself?
sink hole
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Why does the Earth's core remain in a solid state even though it is hot enough to be melted?
Because of gravity, the pressure is too strong to allow the molecules to spread out and become liquid.
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Which type of rocks are formed when layers of sediment are pressed together by the pressure inside the Earth?
sedimentary
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a process where a glacier scratches into the rocky surface as it moves across the land
abrasion
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an area of wave-washed sediment along a coast
beach
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How were the Great Lakes formed?
Glaciers moving across the land dug out the rock.
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What are the wo types of glaciers?
continental glaciers and valley glaciers
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a group of separate parts, each with its own function, that work together as a whole
system
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The wearing away of something by exposure to wind, water, or living organisms
weathering
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times in the past when glaciers covered large portions of the Earth's surface
ice ages
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Which layer of the Earth is the hottest?
inner core
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the process by which soil, rock, and sediment build up into a landmass
deposition
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What is the core of the Earth made of? (be specific)
solid iron and nickel
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Name the layers of the Earth, in order, starting at the surface and heading inside.
crust, mantle, inner core, outer core
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