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5th Grade Science

Earth's Changes

QuestionAnswer
Landform A natural feature on the surface of the Earth, such as a mountain, hill, dune, ocean, or river.
Delta A triangular landform where a river empties into another body of water and deposits sediments.
Canyon A deep gorge in the surface of the Earth formed by the erosion of rock by water or sand.
Sand Dune A hill formed by wind blowing and depositing sand.
Weathering The breaking down of rock into smaller pieces from the effects of wind, water, and ice.
Deposition The build up of land by the build up of sediment and soil in a new location.
Erosion The gradual wearing down of rock by wind, water, and other natural forces.
V-shaped valley A low area of land between hills or mountains, typically with a river or stream flowing through it.
U-shaped valley A steep-sided valley caused by glacial erosion
Flood plain A flat area with areas of higher elevation on both sides that is prone to flooding
Geologist A scienctist devoted to the study of the Earth, particularly the solid Earth and the rocks that compose it
Glacier A slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
Barrier Anything built or serving to bar passage,or movement from one place to another
Extinction A species no longer in existence, that has ended or died out:
Prehistoric Of or relating to the time or a period prior to recorded history
Marine environment Waters that are saline and tide-affected.
Environment The external surroundings in which a plant or animal lives, which tend to influence its development and behavior
Climate The average pattern of weather for a particular region over a long period of time.
Decay To degrade or break down into smaller parts.
Imprint A mark or depression made by pressure.
Model A limited representation of something that can help us undertand its structure or how it works.
Created by: Bastrop
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