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Murdock Science

Earth Science 1

QuestionAnswer
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.
Constructive Forces processes which raise or build up the surface of the Earth.
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 earths surface
decomposers an organism that obtains energy from decaying organic material
organisms a living thing
seismological studies the study of earthquakes and the structure of earth by both naturally and artificially generated seismic waves
flood control any activity designed to reduce the flow and impact of a flood including levees reservoirs and dams
dam a barrier controlling the flow of 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 a severe erosion has depleted it
Created by: viperfang6
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