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Science

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Term
Definition
Earthquake   show
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Crust   show
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Fault   show
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show The layer of earth beneath the crust. About 2300 km. thick and makes up about 83% of the Earth's interior.  
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Lithosphere   show
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Tectonic Plates   show
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Seismologist   show
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S-Wave   show
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show Causes buildings to contract and expand.  
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show Shakes buildings from side to side.  
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Focus   show
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Epicenter   show
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Seismic Waves   show
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Magnitude   show
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Tsunami   show
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show When an earthquake's violent shaking turns loose soft soil into liquid mud.  
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Aftershock   show
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Base Isolators   show
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show Transfers some of a quake’s energy from roofs and floors to the foundation.  
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show These are placed between stories of a building to stiffen the frame of a building.They also absorb energy during an earthquake.  
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show A device mounted in structures to reduce the amplitude of mechanical vibrations. Their application can prevent discomfort, damage, or outright structural failure.  
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show These bend as energy passes through them, greatly reducing damage.  
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Tension Ties   show
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Stress   show
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show Pulls on the rock, stretching it.  
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show Squeezes the rock, causing it to fold or break.  
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show Fault that has little up or down motion.  
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show The hanging wall slides up and over the footwall.  
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Reverse Fault   show
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show A fold in the rock that bends upward  
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show A fold in the rock that bends downward  
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Plateau   show
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Hanging Wall   show
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show The block of rock that hangs below  
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Shearing   show
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show A rock that makes up much of the ocean floor  
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show A soft layer of rock in the mantle  
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Granite   show
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Pressure   show
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Outer Core   show
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show Not very dense; under extreme pressure  
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Mercalli Scale   show
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Richter Scale   show
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show Made of land on the surface  
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Oceanic Crust   show
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