16565185
Description
Flashcards by Riona Stevenson, updated more than 1 year ago
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Created by Riona Stevenson
over 5 years ago
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| Question | Answer |
| Anticline | Downward fold or trough in rock |
| Avalanche | The rapid movement of snow down a slope |
| Collide | When things hit off eachother |
| Continental drift | The process whereby the Earth's plates move and carry the continents with them |
| Convection current | Circular movement of magma in the mantle, which rises, moves to the side then drops again |
| Core | Centre of the Earth |
| Crust | Outer layer of the Earth |
| Epicentre | The point on the Earth's surface directly above the focus of an earthquake |
| Focus | The location in the Earth's crust where an earthquake occurs |
| Lahar | A wet mass of volcanic fragments flowing rapidly downhill |
| Magma | Molten rock that flows in convection currents within the Earth's mantle |
| Molten | Made liquid by heat |
| Plate boundry | A place where 2 plates meet |
| Richter scale | A measure in intensity of earthquakes |
| Seismograph | An instrument which records the intensity of earthquakes |
| Seismologist | A person who studies earthquake activity |
| Separate | To come apart |
| Syncline | An upward fold or arch in rock |
| Tremor | A shaking or vibration movement |
| Tsunami | A large, destructive sea wave caused by an earthquake on the ocean floor |
| Vibration | To move back and forth, especially rhythmically and rapidly |
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