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Catastrophic Events
Learn Vocabulary in the Catastrophic Events Category
Term | Definition |
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Tornado | a mobile destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system |
Hurricane | a hurricane is an intense tropical storm with powerful winds and heavy rain. |
Flood | a great flowing or overflowing of water, especially over land not usually submerged. |
Earthquake | a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earths crust or volcanic action. |
Tsunami | a long high sea wave caused by an earthquake, submarine landslide, or other event. |
Biological weathering | breaking down of rocks by activities of living organisms. (digging or roots.) |
Catastrophic event | a violent, usually destructive natural occurrence |
Chemical Weathering | breaking down of rocks by chemical processes by changes. |
Deposition | a process weathered and eroded materials are deposited by wind or water or ice. |
Erosion | weathered material is moved by wind, water, and ice. |
Physical (mechanical) Weathering | breaking rocks (physical pressure grinding shattering) |
Weathering | process which exposed rock are broken down. May be caused by wind water physical chemical and biological. |