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Structure of Earth
| Question | Answer |
|---|---|
| thin, nearly solid rock layer that is uppermost in Earth's structure | crust |
| Earth's innermost structure | core |
| area where Earth's solid upper mantle and crust combine to form a shell | lithosphere |
| thick layer of Earth's structure just below Earth's crust | mantle |
| idea that giant plates of rock are moving slowly across Earth's surface | plate tectonics |
| violent shaking of Earth's crust as built up energy is released | earthquake |
| point on Earth's surface directly above the focus of an earthquake | epicenter |
| a crack in Earth's crust along which movement takes place | fault |
| point underground where the faulting in an earthquake occurs | focus |
| melted rock below Earth's surface; called lava at the surface | magma |
| waves of energy sent through Earth's crust when plates move suddenly | seismic waves |
| mountains that form when magma pushes up on Earth's crust but does not break through | dome mountains |
| mountains that form along fault lines where blocks of rock fall, are thrust up, or slide | fault-block mountains |
| mountains that form where two plates collide and force layers of rock into folds | fold mountains |
Created by:
sknight
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