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Changes Over Time

Changes Over Time. Week 3. drainage basin. A system of rivers and streams that drains an area. delta. A fan-shaped (triangular) deposit of earth materials at a mouth of a stream. meander. A curve or loop in a channel. landform. A natural structure on Earth’s surface. canyon.

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Changes Over Time

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  1. Changes Over Time Week 3

  2. drainage basin A system of rivers and streams that drains an area

  3. delta A fan-shaped (triangular) deposit of earth materials at a mouth of a stream

  4. meander A curve or loop in a channel

  5. landform A natural structure on Earth’s surface

  6. canyon A V-shaped valley eroded by a river or stream

  7. plateau A large, nearly level area that has been lifted above the surrounding area

  8. channel the course or path the water takes in a stream or a river

  9. weathering The breaking down and wearing away of earth materials caused by water, wind, or ice

  10. erosion The movement of weathered materials by water, wind, or ice

  11. deposition The process by which materials eroded by water, wind, or ice are dropped in a new place

  12. sediments Bits of rock, soil, sand, shells, and the remains of organisms

  13. basin a low area in which sediments are often deposited

  14. Slide 2: http://www.mvn.usace.army.mil/pao/bro/MRivDrainageBasin.gif Slide 3: http://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Lena_River_Delta_-_Landsat_2000.jpg/300px-Lena_River_Delta_-_Landsat_2000.jpg Slide 4: http://www.markdixon.ca/images/meander_1_med_rgb.jpg Slide 5:http://www.abcteach.com/free/l/landform3bwlabeled.jpg Slide 6: http://www.planetside.co.uk/terragen/tgd/images/deep_canyon_v04.jpg Slide 7: http://www.hickerphoto.com/data/media/175/colorado_plateau_t3105.jpg Slide 8: http://science.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/Science/Images/Content/okavango-channel-744040-sw.jpg Slide 9: http://www.barwonbluff.com.au/education/activities/earth%20science/rock%20on/images/06%20differential%20weathering.jpg Slide 10: http://www.maine.gov/dep/blwq/images2/erosion1a.jpg Slide 11: http://www.fs.fed.us/eng/pubs/html/00771803/images/00771803_fig57a.jpg Slide 12: http://www.searchmesh.net/images/gmhm3-19_coarse_sediment_sample.jpg Slide 13:http://web.mst.edu/~rogersda/cp_megalandslides/0644-sediment_deposits_on_west_wall_near_tapeats_spring.JPG

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