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Ever-Changing Earth4
"6th Grade - Ever-Changing Earth Vocabulary - 04"
| Question | Answer |
|---|---|
| viscous liquid | a liquid that is very thick and resists flowing |
| convection | the movement of a fluid material caused by density differences. Often, convection is driven by either heating from below or cooling from above the fluid |
| convection current | the cycle of movement when warm, less-dense fluids rise and cool, and more-dense fluids sink due to differences in temperature |
| plume | a hot, rising column of mantle material |
| mid-ocean ridge | a continuous mountain range through the oceans, which is subject to earthquakes |
| lava | fluid rock that comes from a volcano; also, the same material that becomes solid by cooling |
| ocean-floor spreading | a process by which new ocean floor is created in the area where two plates are moving apart |
| plume | a hot, rising column of mantle material |
| ridge push | the push of older crust away from a plate boundary |
| slab pull | the movement of older crust down toward the center of Earth |
Created by:
Hushekclan
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