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Unit 5 Vocabulary

Earth's Slow Changes

TermDefinition
Weathering The process by which rocks are broken down into smaller pieces or sediments
Oil/Natural Gas Formed from tiny sea organisms that are changed by heat and pressure
Coal Formed from layers of dead swamp plants that are changed by heat and pressure
Sedimentary Rocks Rocks that form when layers and rock particles setting on top of each other
Cementation hardening of sediments into rocks by pressure
Compaction Sediments that are pressed or squeezed together because of pressure
Deposition The process of laying down (dropping) of sediments and materials
Erosion The movement of sediment and materials away from a place
U Shaped Valley A valley with a characteristic of a U shape formed by a glacier
Canyon A valley between steep cliff sides formed by running water such as a river or stream
Sand Dune A hill of sand created by wind
Delta Soil deposited at the mouth of a river usually triangular in shape
Landforms a physical feature of earth's surface
Glacier A large mass of slowly moving ice and snow that carves new features and deposits sediments
Sediments Small particles of rock, soil, sand or shell deposited by water win or ice
V-shape Valley a valley with a characteristic of a v shape formed by moving water
Frost Wedging Weathering rock fills with water, freezes and expands causing the rock to crack into pieces
Moraine A mass of rocks and sediment carried down and deposited by a glacier typically as ridges on its sides
Rock Arch A natural rock formation where an arch has formed with an opening underneath
Sea Arch A natural opening eroded out of a cliff by waves
Mesa An isolated flat topped hill with steep sides
Gorge A narrow valley between hills or mountains, steep with a stream running through it.
Created by: abrown1218
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