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Forces--
Constructive and Destructive
| Question | Answer |
|---|---|
| Constructive Forces | Processes which raise or build up the surface of the Earth |
| Destructive Forces | Processes which lower the surface of the Earth |
| Deposition | The process of dropping, or depositing sediment in a new location |
| Earthquake | Vibration of the Earth caused by energy that has been stored along a fault |
| Volcano | Type of mountain formed when tectonic plates push magma from under the Earth's surface; this hardened lava forms a mountain |
| Delta | A deposit of soil or silt formed wherever a swift stream or river empties into a lake, ocean or slower river. It has a triangular shape. |
| Sand Dune | A mound of sand that is deposited by the wind |
| Faults | A large crack in layers of rock where movement has occurred |
| Erosion | Carrying away weathered soil, rock, and other materials on the Earth's surface by gravity, water, and wind |
| Weathering | Process of physical disintegration and chemical decomposition of solid rock materials at or near the Earth's surface |
| Decomposer | An organism that obtains energy from decaying organic material |
| Organisms | A living thing |
| Seismological Studies | The study of earthquakes and the structure of the earth, by both naturally and artificially generated seismic waves |
| Flood Control | An activity designed to reduce the flow and impact of a flood including levees reservoirs, and dams |
| Dam | A barrier controlling the flow of the water and backing up water |
| Levee | A long, narrow embankment usually built to protect land from flooding, can also occur naturally along a river |
| Beach Reclamation | The process of reestablishing a beach after severe erosion has depleted it |