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EE Vocab 31-35
Ever-Changing Earth Vocabulary 31-35
Term | Definition |
---|---|
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 range through the oceans, which is subject to earthquakes |
Lava | fluid rock that comes from a volcano; 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. |