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Earth Science 3/3/11
Chapter 8 Vocab.
| Question | Answer |
|---|---|
| is a process that wears away surface materials and moves them from one place to another. | erosion |
| dropping of sediments that occurs when an agent of erosion, such as gravity, a glacier, wind, or water loses its energy and can no longer carry its load. | deposition |
| is any type of erosion that happens as gravity moves materials downslope. | mass movement |
| is when a mass of material slips down a along a curved surface. | slump |
| occurs when sediments slowly shift their positions downhill; human-built structures and leaning trees show another mass movement called this. | creep |
| a large mass of ice and snow moving on land under its own weight. | glacier |
| process that adds gravel, sand, and boulders to a glacier's bottom and sides as water freezes and thaws, breaking off pieces of surrounding rock. | plucking |
| large ridge of rocks and soil deposited by a glacier when it stops moving forward. | moraine |
| material deposited by the meltwater from a glacier, most often beyond the end of glacier. | outwash |
| mixture of different-sized sediments that is dropped from the base of a retreating glacier and can cover huge areas of land. | till |
| when wind erodes by this, it blows across loose sediment, removing small particles such as silt and sand. | deflation |
| when windblown sediment strikes rock, the surface of the rock gets scraped and worn away by a process. | abrasion |
| is a mound of sediments drifted by the wind. | dunes |
| windblown deposit of tightly packed, fine-grained sediments. | loess |
Created by:
aereed
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