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29 Cards in this Set
- Front
- Back
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what is deposition
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this is the process of dropping or DEPOSITING sediment in a new location
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what is an earthquake
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this a shaking of the ground caused by a sudden release of energy in the earth's crust
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what is continental drift
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this is the theory of how the earth's continents move over its surface
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what is magma
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this is hot, soft rock from earth's lower mantle
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what is the mantle
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this is the layer of rock beneath the earth's surface
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what is mass movement
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this is the downhill movement of rock and soil because of gravity
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what is a fault
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this is a crack in the earth's crust
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what is a volcano
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this is a mountain through which lava flows
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what is weathering
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this is the process of breaking rock down into soil, sand, or other tiny pieces
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what is the crust
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this is the outer layer of the earth
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what is a landform
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this is a physical feature of the earth's surface
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what is the mantle
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this is the middle section of the earth's crust
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what are fossils
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this is the remains or traces of past life found in the earth's crust
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what is metamorphic rock
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this is rock made from other rocks that were changed by extreme heat and pressure
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what is a mineral
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this is a solid, nonliving substance found in the earth
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what is a tectonic plate
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this is a rigid block of crust and upper mantle
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what are sediments
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these are tiny pieces of rock, shells, and other minerals
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what is pangea
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this is the theory that there was one big supercontinent before it broke up into the continents we have today
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what is erosion
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this is the process of moving sediment from one place to another
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what is sedimentary rock
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this is a rock that is made from sediments that were pressed together and hardened
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what is a plateau
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these high, flat lands
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what is a delta
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this is new land made by sediments
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what is a dune
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this is a pile of sand
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what is a mountain
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this is land that rises at least 600 meters above the land around it
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what is a glacier
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this is a mountain of ice
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what is igneous rock
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this is a rock formed when magma or lava hardens
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what is the core
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this is the center of the earth
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how do scientists measure movement in the earth's crust
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they use a seismograph machine
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what kind of rock weathers faster--soft or hard
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soft rock weathers faster
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