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Plate Tectonics
| Term | Definition |
|---|---|
| Plate Tectonics | geological theory that states the pieces of Earth's lithosphere are in constant slow motion |
| Inner Core | dense ball of solid metal inside Earth |
| Outer Core | layer of molten metal that surrounds the inner core |
| Mantle | a layer of hot rock |
| Crust | layer of rock that forms the Earth's outer skin |
| Pangea | supercontinent mean "all lands" |
| Alfred Wegener | his theory was all continents where all one land mass and then drifted apart- many did not accept it |
| Continental Drift | continents slowly moved over Earth's surface |
| Radiation | the transfer or energy through empty space |
| Conduction | heat transfer by direct contact |
| Seafloor Spreading | The process by which molten material adds new oceanic crust to the ocean floor |
| Mid-ocean ridge | The undersea mountains chain where new ocean floor is produced |
| Convergent boundary | The place where 2 plates have come together |
| Divergent boundary | The place where 2 plates move apart |
| Transform boundary | The place where 2 plated have slipped past one another |
| Lithosphere | A rigid layer made of the uppermost part of the mantle and crust |
| Asthenosphere | The soft layer of the mantle on which the lithosphere floats |
| Subduction | process by which the ocean floor sinks beneath a deep-ocean trench |
| Fault | breaks in the earth's crust that have slipped past each other |
| Rift Valley | deep valley that forms along a divergent boundary |
| Convection | heat transfer by movement of heated fluids |
Created by:
LorenBellantoni
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