Type:

Other

Description:

In this activity you'll see how the sun's tilt on its axis changes the length of shadows. For example, why is your shadow longer in winter than in summer? It's easy to see the answer if you have a "sun" and an orbiting "earth" to demonstrate. Like many other ancient people, the ancient Chacoans used the annual changes in shadows to measure the passage of time and the change in seasons. You can too!

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:

    equinox,NSDL,equator,Archeology,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,Space Science,Social Sciences,Anthropology,Life Science,Seasons,Informal Education,oai:nsdl.org:2200/20110926131235984T,Middle School,Days,Natural history,shadow,Chemistry,Physics,earth's axis,orbit,Sunlight and Color,High School,Space science,Physical science,Geoscience

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

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