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Landforms
Term | Definition |
---|---|
Landslides | Gravity, rain or both pulls rocks and mud down the mountain causing destruction |
Soil | The upper layer of Earth consisting of a mixture of organic remains, rocks and clay particles |
Delta | Created by the deposition of sediment. Streams and rivers deposit sediments at the mouth creating deltas. They are large flat area of land at the mouth of a river |
Canyon | A huge V-shaped valley made from moving water. The Grand Canyon was formed over the last 6 million years. Made by fast moving water carving out a V-shape. |
Sand dune | A mound of sand deposited by wind |
U-shaped valley | Made by a glacier scraping through |
V-shaped valley | Made by moving water |
Landform | An area of land, or a land shape found on the surface of the Earth |
Glacier | A huge moving body of ice that scrapes the landscape |
Biofuels | Made from crops and can be used as an alternative resource like ethanol for our cars |
Renewable resource | Resources that CAN be replaced in a short amount of time. (Soil, sun, crops, people, plants, trees, air, animals and water? |
Nonrenewable resource | Resources that CANNOT be replaced quickly. Takes millions of years. (Coal, oil, natural gas, silver, gold, diamonds, aluminum and gems) |
Organic | acquired from living matter |