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18 Cards in this Set
- Front
- Back
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Asthenosphere |
the upper part of the earth's mantle, where the rocks are more fluid |
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Collision plate boundary |
a tectonic margin at which two continental plates come together |
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Conservative plate boundary |
where two tectonic plates slide past each other |
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Constructive plate boundary |
tectonic plate margin where rising magma adds new material to the diverging plates |
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Continental crust |
the part of the crust dominated by less dense granite rocks |
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Convection currents |
circulating movements of magma in the mantle caused by heat from the core |
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Core |
the central part of the earth, consisting of a solid inner core and a more fluid outer core, mostly composed of iron and nickel |
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Destructive plate boundary |
tectonic plate margins where the oceanic plate is subducted |
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Evacuation |
the removal of people from an area, generally in an attempt to avoid a threatened disaster |
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Long term planning |
planning that looks beyond immediate costs and benefits by exploring impacts in the future |
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Magnitude |
the size of something |
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Oceanic crust |
the part of the crust dominated by denser basalt rocks
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Plate margins |
the boundary between two tectonic plates |
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Prediction |
the forecasting of future events |
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Preparation |
the process of getting ready for an event |
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Response |
the way in which people react to a situation |
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Short term emergency relief |
help and aid provided to an area to prevent immediate loss of life |
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Tectonic hazards |
threats posed by earthquakes, volcanoes and tsunamis |
