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Results 61 - 70 of 164 for 'effect of volcanoes' DLESE Reviewed Collection = DLESE Reviewed Collection <<  3 4 5 6 7 8 9 10 11  >>
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This two-part radio broadcast first focuses on how scientists are re-evaluating their theories on how the Earth was formed, then on exploration for new life forms found in the sediments of ocean floors. By looking at volcanic hotspots, geologists can sample gases from deep inside the mantle of the Earth. These dissolved gases include particles from the solar wind and impacting asteroids. This broadcast ... Full description.
Grade level: General public
Resource type: Radio broadcast
Subject: Geology, Biological oceanography, Space science
 
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DLESE Community Collection (DCC)    Browse collection
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This National Geographic news article from December 2001 outlines the eruptive progress of Popocatepetl volcano in Mexico. The article discusses the difficulties of evacuating locals during volcanic disasters because of their overall beliefs that the volcano is their "friend." Users can also link to other National Geographic news stories, special news series and the main National Geographic site. Full description.
Grade level: General public
Resource type: Journal article
Subject: Human geography, Geology
 
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This United States Geological Survey (USGS) on-line publication highlights the events and aftermath of the June 15, 1991 eruption of Mt. Pinatubo in the Philippines, which was the second-largest volcanic eruption of the 20th century. This report discusses the precursors to the 1991 eruption including the occurrence of earthquakes, dome growth and steam emissions. The explosive eruptions from June ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Map, Photograph, Report
Subject: Geology, Natural hazards
 
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This lesson is designed to help students gain knowledge in graphing a microset of data, then using the graphs to investigate the relationship between volcanic activity and the presence of atmospheric aerosols. The lesson provides detailed procedure, related links and sample graphs, follow-up questions and extensions, and Teacher Notes. Full description.
Grade level: High (9-12), General public
Resource type: Lesson plan
Subject: Atmospheric science, Chemistry, Climatology, Environmental science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards, Other: Read
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This site provides reports from a British Geological Survey project which assessed the scale of arsenic contamination of groundwater in Bangladesh and examined the possible source, mobility and fate of arsenic in local aquifers. The two reports include several maps and photographs, as well as data sets from the studies. The site also features information about a similar project undertaken in Ghana. ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Map, Abstract / Summary, Report, In-situ dataset
Subject: Environmental science, Geology, Hydrology, Natural hazards
 
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This topical directory provides an alternate way to browse United States Geological Survey (USGS) science programs and activities. It is not an exhaustive list of all USGS science topics but provides a categorization using a thesaurus of related terms that will give definitions, links to science content, and a structured approach to discovery. The directory is divided into fourteen major topic headings, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Index / Bibliography, Ref. material
Subject: Geology
 
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NASA's Visible Earth is a searchable directory of images, visualizations, and animations of the Earth. The images are also listed under the following categories: agriculture, atmosphere, biosphere, cryosphere, human dimensions, hydrosphere, land surface, oceans, radiance or imagery, solid earth, locations, and satellites. Accompanying each image are credits, data about the image, the satellite it ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Visualization - scientific
Subject: Atmospheric science, Physical geography, Geology
 
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Community Annotated Collection     Browse collection
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These lecture notes present a discussion of mineralogical classification of granitic rocks, definitions of hypersolvus and subsolvus granites, tectonic and chemical classification, and depth of emplacement of granites. Other topics include pegmatites, continental rhyolites, origin of large volumes of silicic magma, continental flood basalts, continental rift valleys, evolution of rock suites, and ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Presentation / Demo, Illustration - scientific, Ref. material
Subject: Geology, Mineralogy or petrology, Structural geology
 
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This set of lecture notes discusses the occurrence and tectonic settings of igneous rocks near convergent plate margins. A discussion of petrography includes major element composition, calc-alkaline trends in ternary diagrams, trace element variations, isotopes to distinguish magma sources, and the origin of igneous rocks at convergent margins. The lecture notes include helpful illustrations, maps ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Presentation / Demo, Illustration - scientific, Map, Ref. material
Subject: Geology, Mineralogy or petrology
 
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This United States Geological Survey (USGS) factsheet contains information about US mercury contamination. Issues discussed include how mercury becomes a toxicological problem through bioaccumulation, human effects of mercury toxicity, and levels of atmospheric mercury. Mercury levels in fish are examined to determine how mercury gets into the environment and into the food chain. Full description.
Grade level: General public
Resource type: Illustration - scientific, Ref. material
Subject: Chemistry, Ecology, Environmental science
 
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Results 61 - 70 of 164 for 'effect of volcanoes' <<  3 4 5 6 7 8 9 10 11  >>