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Results #1-#10 of 92
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What Really Killed the Dinosaurs? 
  
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100
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Publisher: BBC
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This article from the BBC describes some of the controversy in the theory that the mass extinction of the Cretaceous period was caused by a meteorite impact. The crater thought by…
https://www.bbc.co.uk/sn/tvradio/programmes/horizon/dino_prog_summary.sh...
Ocean Waves 
  
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100
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C. Nave
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This webpage, from Hyperphysics, provides a detailed explanation of how waves form in the ocean. A series of diagrams show how the water moves as a wave passes by. The site shows how…
http://hyperphysics.phy-astr.gsu.edu/hbase/Waves/watwav2.html
The Real Sea Monsters: On the Hunt for Rogue Waves 
  
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Publisher: Scientific American
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This Scientific American article discusses how rogue waves were measured in 1955, which encouraged scientists to try to find the causes behind them. Several methods that attempt to…
https://www.scientificamerican.com/article/rogue-waves-ocean-energy-fore...
Water on the Move: Wind and Waves 
  
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100
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Science Learning Network
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This webpage from the Science Learning Network provides directions for a simple activity that shows how the water moves as a wave passes by. Only everyday materials are needed. A…
http://web.archive.org/web/20190115040355/http://legacy.mos.org/oceans/m...
Earth Observatory: Ash Plume across the North Atlantic 
  
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Publisher: Goddard Space Flight Center
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This Earth Observatory image of the day shows the ash plume of Iceland's Eyjafjallajokull volcano spreading from Iceland toward continental Europe. The page includes a short article…
https://earthobservatory.nasa.gov/images/43670/ash-plume-across-the-nort...
Properties of Volcanic Ash 
  
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Publisher: U.S. Geological Survey
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This U.S. Geological Survey site lists and discusses the properties of volcanic ash. The site contains many helpful diagrams, and explains topics including the size of ash particles,…
https://volcanoes.usgs.gov/volcanic_ash/ash.html
Hess proposes sea-floor spreading 
  
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Publisher: Public Broadcasting Service
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This article from PBS relates the story of Harry Hess, the geologist who proposed sea-floor spreading as the mechanism that explains continental drift. The article includes a picture…
http://www.pbs.org/wgbh/aso/databank/entries/do62se.html
Descent to the Mid-Atlantic Ridge 
  
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100
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Scripps Institution of Oceanography
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This page contains journals from the Alvin expedition to the Mid-Atlantic Ridge in 2000. The journals explain the mission's objective to observe the sea floor and undersea geological…
http://earthguide.ucsd.edu/mar/
Investigation 4 - Erosion 
  
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Publisher: Utah Education Network
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This webpage from the Utah Education Network provides directions for a tabletop simulation of erosion by wind and water, requiring only everyday materials. The page includes…
https://www.uen.org/lessonplan/view/9862
Landsat Missions 
  
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100
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United States Geologic Survey
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Visit this site to see a large collection of images of Earth from space. On the blue navigation bar near the top of the homepage, put the cursor on "Gallery" (what else?). In…
https://www.usgs.gov/land-resources/nli/landsat
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Results #1-#10 of 92