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Weather
Grade 6
Term | Definition |
---|---|
Natural hazard | A hazardous event that causes unacceptably large numbers of fatalities |
Natural disaster | the negative impact following an actual occurrence of natural hazard in the event that it significantly harms a community |
Earthquake | the sudden release of strain energy in the Earth's crust, resulting in waves of shaking that radiate outwards from the earthquake source |
Tsunami | a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor |
Volcano | an opening in the earth's crust through which lava, volcanic ash, and gases escape |
Flooding | An overflow of water onto normally dry land |