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5th: Landforms
| Question | Answer |
|---|---|
| landforms | a natural feature on the earth's surface |
| watershed | an area of land that water flows across or through |
| drainage basin | the area of land that contributes water to a stream or river |
| continental shelf | the part of a continent that lies under the ocean and slopes down to the ocean floor |
| continental slope | a steep slope separating a continental shelf and a deep ocean basin |
| mid-ocean ridge | is an underwater mountain system formed by plate tectonics |
| rift zone | A large area of the earth in which plates of the earth's crust are moving away from each other, forming fractures and faults |
| trench | Ocean trenches are long, narrow depressions on the seafloor |
| abyssal plain | a large area of extremely flat or gently sloping ocean floor just offshore from a continent |
| ocean floor | the bottom of the sea or sea floor |
| natural processes | a series of events (process) caused by nature |
| constructive | forces that help build up the Earth, either by depositing soil or silt in a river, or by volcanoes and lava flows that generates new land. |
| destructive | forces that destroy the Earth |
| deposition | is the process by which rocks, sand and sediment are deposited by the forces of erosion |
| tsunamis | large and powerful ocean waves that grow in size as they reach the shore |
| wave | wind causing movement of the ocean's surface |
| current | a continuous flow of water in the ocean |
| tide | the rising and falling of the sea |
| beach | a pebbly or sandy shore |
| barrier island | a long narrow sandy island running parallel to the shore |
| estuary | the ocean by a sandbar or barrier island |
| inlet | a bay or cove |
| conservation | the careful effort to conserve our Earth's natural resources |
| pollution | pollution happens when the environment is contaminated by waste chemicals and other harmful substances |
| ocean shore zone | where the ocean water meets land |
Created by:
Richardson's Rainbow Readers
Popular Physical Science sets