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Landforms and Oceans
Mr. Cooke's 5th Grade Class
| Question | Answer |
|---|---|
| Watershed | any area of land that water flows across or through. |
| Drainage Basin | the entire geographical area drained by a river and its tributaries |
| Delta | a piece of land shaped like a triangle that is formed when a river splits into smaller rivers before it flows into an ocean |
| Canyon | a deep, steep-walled, V-shaped valley cut by a river through resistant rock. |
| Inlet | a small or narrow bay |
| Continental | forming or belonging to a continent. |
| Oceanic | forming or belonging to the ocean. |
| Ocean Basin | areas found under the sea. |
| Continental Shelf | the edge of the continent that is covered by ocean water |
| Continental Slope | steep slope from a continental shelf to the ocean floor |
| Mid-Ocean Ridge | A mountain range on the floor of the world's oceans |
| Rift Zone | a large area of the earth in which plates of the earth's crust are moving away from each other, forming a broad system of fractures and faults |
| Trench | the deepest parts of the ocean floor, typically formed when one tectonic plate slides under another |
| Abyssal Plain | an underwater plain on the deep ocean floor |
| Guyot | an isolated underwater volcanic mountain (seamount), with a flat top |
| Seamount | a submarine mountain rising above the deep-sea floor |
| Valley | a long ditch, in Earth's surface usually lying between ranges of hills or mountains |
| Physical Weathering | When rocks, soil and minerals are being slowly broken down or broken apart by the Earth's environment. |
| Chemical Weathering | When rocks are broken down and chemically altered. |
| Erosion | When rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. |
| Deposition | When sediments are deposited, or dropped off, in a different location. |
| Earthquakes | Shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity. |
| Tsunamis | A large ocean wave usually caused by an underwater earthquake or a volcanic explosion. |
| Hurricanes | A large rotating storm with high speed winds that forms over warm waters in tropical areas. |
| Storms | A heavy fall of rain, snow, or sleet often with strong winds. |
| Waves | one of a series of ridges that moves across the surface of a liquid (especially across a large body of water). |
| Currents | a vast river within the ocean, flowing from one place to another. These currents are caused by differences in temperature, differences in salinity, and by wind. |
| Tides | The periodic rise and fall of the sea level under the gravitational pull of the moon. |
| Beaches | a shore of a body of water covered by sand, gravel, or larger rock fragments. |
| Barrier Islands | A long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean |
| Estuaries | A water passage where the tide meets a river current. |
| Crest | The highest point of a wave. |
| Trough | The lowest point of a wave. |
| Renewable Resources | Any resource that can or will be replenished naturally in the course of time. |
| Conservation | the protection of things found in nature. |
| Pollution | Any contamination of air, soil, water and environment. |
Created by:
bcooke1
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