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Plate Tectonics
basic vacaulary for beginning of Geology unit
| Question | Answer |
|---|---|
| The layer of rock that forms Earth’s outer surface. | Crust |
| The layer of hot, solid material between Earth’s crust and core. | Mantle |
| The hypothesis that the continents slowly move across Earth’s surface. | Continental Drift |
| A dense sphere of solid iron and nickel at the center of Earth. | Inner Core |
| A layer of molten iron and nickel that surrounds the inner core of Earth. | Outer Core |
| The soft layer of the mantle on which the lithosphere floats. | Asthenosphere |
| German scientist who proposed the hypothesis known as Continental Drift. | Wegener |
| A break or crack in Earth’s surface along which the rocks move. | Fault |
| A device that determines the distance of an object under water by recording echoes of sound waves. | Sonar |
| Vibrations that travel through Earth carrying the energy released during an earthquake. | Seismic Waves |
| A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust. | Plate |
| The name of the single landmass that broke apart 200 million years ago and gave rise to today’s continents. | Pangaea |
Created by:
kathleenj
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