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This satellite image shows the brown sediment-laden water of the Mississippi River mixing wih the dark blue water of the Gulf of Mexico following a rainstorm. The city of New Orleans and Lake Ponchartrain can easily be discerned near the center of the image.
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This document discusses possible factors that contributed to the formation of massive continental glaciers during four periods of geologic history.
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This guide provides a brief introduction to the hydrologic cycle and related concepts. Users can choose from a set of links to pages which explain the distribution of water among the oceans, land, and atmosphere, and the mechanisms by which water is moved between its various sinks and sources.
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Pedagogical help
Misconceptions:
Read (1)
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This graphic illustration and accompanying text description show the distribution and relative proportions of water in the form of solid, liquid, and gas in Earth's lakes, rivers, oceans, polar ice, atmosphere, soil, and groundwater.
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This lesson focuses upon the scientific phenomenon of El Nino. Learners will also explore the possible link between human-induced global warming, and El Nino as a possible distributor of global warming's extra energy. Links to related sites are included.
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This site provides background information about the relationship between ocean currents and surface winds. There are links to images, JPL missions and instruments, and an El Nino site.
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This site provides a description and graphic representation of the Coriolis Force, with links to a video and related sites.
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This activity will allow the student to look at real-time satellite, radar, and derived imagery to study the growth and development of thunderstorms.
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This site describes the distribution and movement of water around, through, and above the Earth as water vapor, liquid water, and ice, with emphasis on the water cycle (hydrologic cycle). It is part of the U.S. Geological Survey's Water Science for Schools website. Tables and graphs are provided. The water cycle graphic is available in several languages.
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Visitors to this site can access a brief description of what a well is and how it works. Topics include the basic types of wells, well construction, and tips on preventing contamination of wells.
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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