science earthquakes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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convergent | collide
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Divergent | To divide
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transform | to slide against each other
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subduction | the oceanic crust goes under the continental crust
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S wave | shakes buildings side to side
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P wave | causes buildings to contract and expand
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Surface wave | Shakes buildings violently
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focus | the point which a rock a rock under stress breaks and triggers an earthquake
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epicenter | the point right above the focus
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Mercalli Scale | senses how much damage the EQ is going to do
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Richter Scale | senses the magnitude
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Moment Magnitude Scale | senses the energy of the earthquake
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Magnitude | measurement of an earthquake
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tsunami | large ocean waves usually caused by earthquakes below the ocean floor
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Liquifaction | the process in which an earthquake's violent shaking turns loose soft soil into liquid mud
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aftershock | an earthquake that occurs after another earthquake
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seismology | study of earthquakes
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seismograph | an instrument that detects vibrations produced by a earthquake
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compression | stress that squeezes rock until it folds and breaks
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tension | stress that stretches rock so that it becomes thinner in the middle
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plateau | a land form that has high elevation and a more or less level surface
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shearing | stress that pushes masses of rock in opposite directions, in sideways movements
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normal fault | type of fault where the hanging wall slides downward; by tension in the crust
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reverse fault | a type of fault where the hanging wall slides upward: caused by compression in the Earth's crust
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earthquake | a sudden and violent shaking of the ground
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crust |
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fault | a fracture in the earth's crust
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mantle | layer of the earth beneath the crust
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lithosphere | a cool solid outer shell of the earth
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lithospheric plates |
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