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22 Cards in this Set
- Front
- Back
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PLATE
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continent -sized slab of Earth's crust and upper mantle
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LAVA
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melted rock that reaches Earth's surface
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CORE
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the dense center of earth; a bell mancle mosty of two metals ,iron a nickel
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CRUST
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earth's outer layer;includes the rock of ocean floor and large areas of land
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VENT
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in a volcano the rock opening through which the magma rises toward the surface
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MAGMA CHAMBER
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a underground pool that holds magma below a volcano
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CRATER
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large basin formed at the top of a volcano when a top falls in on itself
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SEISMOGRAPH
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an instrument that records earthquake waves
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EARTHQUAKE
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a vibration or a shaking of earth's crust
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FOCUS
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the point underground where the movement of an earthquake first takes place
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FAULT
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a break in earth's crust along witch rocks move
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MAGMA
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melted rock insde earth
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VOLCANO
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a mountain that forms when red hot melted rock flows through a crack onto earth's surface
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FOSSIL
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remains or tracesx of past life preseved in rock
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METAMORPHIC
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rock that has been changed into
new rock by heat and pressure |
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IGNEOS
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rock formed from melted rock that cooled
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HARDNESS
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resistence to being scrached
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CRYSTAL
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mineral shaped flat and angled sides
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MANTLE
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the thickest layer of earth found just below the crust
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EPICENTER
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the point on the surface of the earth that is right above the focus of an earthquake
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WEATHERING
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breaking down of rocks to form sediments
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LUSTER
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how a surface reflecte light
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