click below
click below
Normal Size Small Size show me how
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 |