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44 Cards in this Set
- Front
- Back
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what is the surface of the Earth that is made up of water, such as oceans, lakes, and rivers
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hydrosphere
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Earth's crust of land
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lithosphere
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The air we breathe; a layer of gases
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atmosphere
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the part of Earth that supports life; all plants, animals, & people
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biosphere
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an underwater extension off the coastal plain
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continental shelf
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the very center; super hot solid inner
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core
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next to the outer core thick layer of hot, dense rock
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mantle
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the outer layer, a rock shell forming Earth's surface
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crust
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the theory that the continents were once joined, and then slowly drifted apart
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continental drift
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all physical processes that create Earth's physical featurs
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plate tectonics
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molten rock
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magma
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the heavier sea plate dives beneath the lighter continental plate
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subduction
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pieces of the Earth's crust come together slowly as the sea plate slides under the continental plate
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accreation
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sea plates also can pull apart in this process
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spreading
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bends in rock layers
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fold
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breaks or cracks in rock layers
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fault
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occurs when folded land cannot bend away any further
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faulting
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breaking down of rock
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weathering
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wearing away of Earth;s crust by wind, glaciers, and moving water
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erosion
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large ice that moves across Earth's surface
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glacier
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molten rock
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magma
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when glaciers melt they leave behind large piles of rock and debris called
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moraine
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the given name to the regular movement of water evaporating, condensing, and percipitating
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water cycle
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changing of liquid into a gas
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evaporation
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vapor changes into a liquid
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condensation
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rain, snow, sleet, or hail; liquid comeing back to earth, moisture
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percipitation
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turning ocean water into freshwater by removing salt is done in this process
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desalination
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freshwater that lies beneath the Earth's surface
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groundwater
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an underground porous rock layer often saturated by very slow flows of water is called
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aquifer
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located in the pacific ocean, has more earthquakes and volcanoes then any other place in the world
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ring of fire
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Earth is made up of __ percent water and __ percent land
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70% water
30% land |
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What is a gas giant planet? a dwarf planet? a terrestrial planet?
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big, more gaseous, and less dense; small (pluto); solid rocky crust (Earth)
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What is an asteroid?
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small irregular shaped, planet like object
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What is a comet?
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icy dust particles, and frozen gases
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What is a meteoroid?
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space debris/chunks of iron and rock
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What is the highest poin on earth located in the Himalayas
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mount everest
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Where is the lowest dry point on Earth? it is also the saltiest body of water
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Dead Sea
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what percent of Earths water is salt water? fresh water?
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97% salt
3% fresh |
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____ percent of the freshwater on earth is located in glaciers. ___ of freshwater is useable
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2% in glaciers
1% useable |
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Earth is the __ planet it is __ million miles from the sun, and is __th in size.
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3
93 5th |
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what are the 3 different types of planets?
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dwarf
terrestrial gas giant |
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What is a gas giant planet? a dwarf planet? a terrestrial planet?
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big, more gaseous, and less dense; small (pluto); solid rocky crust (Earth)
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What is the deepest know depression on earth; deepest underwater point on earth
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mariana trench
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two types of weathering?
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chemical and physical
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