Type:

Other

Description:

This animation shows middle and high school students how weathering forms sandstone arches. Descriptive text explains that the process begins with a flat, sedimentary surface in which tectonic stress has produced cracks. Weathering widens these cracks, producing thin sandstone walls, and wind-propelled sand drives a hole through the wall. A photograph of an actual arch is provided. Movie controls allow students to repeat, pause, or step through the animation, which can give students more time to read the text and connect it with the images. Copyright 2005 Eisenhower National Clearinghouse

Subjects:

    Education Levels:

    • Grade 1
    • Grade 2
    • Grade 3
    • Grade 4
    • Grade 5
    • Grade 6
    • Grade 7
    • Grade 8
    • Grade 9
    • Grade 10
    • Grade 11
    • Grade 12

    Keywords:

    Informal Education,Grade 11,Middle School,NSDL,oai:nsdl.org:2200/20120114184657415T,Grade 8,Grade 9,Earth and space science,NSDL_SetSpec_1007936,Earth processes,High School,Grade 10,Space Science,Grade 12,Geoscience,Weathering,Grade 7

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

    Collections:

    None
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    Non-profit Tax ID # 203478467