Videos By Subject

  • A Journey Through Geologic Time: Law of superposition video clip

    • 3-5
    • 6-8
    • 9-12

    The law of superposition states that in layers of sedimentary rock, younger layers are found at the top and older rocks are found at the bottom.  » more info

    • Episodes/length: 1 program(s) / 0 minutes
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    • Website: http://www.uen.org/emedia
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  • A Journey Through Geologic Time: Simple animal life in early oceans

    • 3-5
    • 6-8
    • 9-12

    Toward the end of the precambrian era, simple animal ocean life appeared in the form on jelly fish, worms, sponges, and coral.  » more info

    • Episodes/length: 1 program(s) / 0 minutes
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    • Website: http://www.uen.org/emedia
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  • American Experience

    • 9-12

    Earth Days traces the origins of the modern environmental movement through the eyes of nine Americans who propelled the movement from its beginnings in the 1950s to its moment of triumph in 1970 with…  » more info

    • Episodes/length: 3 program(s) / 19 minutes
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    • Website: http://www.uen.org/emedia
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  • Anton Rasmussen: Painter - "Abstractions from Nature"

    • 6-8
    • 9-12

    Painter Tony Rasmussen explains that artists must identify what visually inspires them before they can paint. He discusses his own fascination with the microscopic world and its organic forms and how,…  » more info

    • Episodes/length: 3 program(s) / 2 minutes
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    • Website: http://www.uen.org/emedia
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  • Atomic Stampede.

    • 6-8
    • 9-12

    In the 1950s, tens-of-thousands of prospectors flocked to the Colorado Plateau in search of uranium to meet U.S. security needs in the form of materials to build atom bombs. Atomic Stampede, examines…  » more info

    • Episodes/length: 1 program(s) / 56 minutes
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    • Website: http://www.uen.org/emedia
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  • Atoms: Atom gaining neutron

    • 3-5
    • 6-8
    • 9-12

    The number of protons of an element is constant, but the number of neutrons can change. Isotopes are atoms of the same element with different numbers of neutrons.  » more info

    • Episodes/length: 1 program(s) / 0 minutes
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  • Atoms: Carbon isotope II

    • 3-5
    • 6-8
    • 9-12

    Carbon can exist as carbon 12 or carbon 14.  » more info

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  • Atoms: Compound

    • 3-5
    • 6-8
    • 9-12

    Compounds are formed by joining atoms of two or more elements. In this animation an ionic bond holds atoms together.  » more info

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  • Atoms: Copper Atom

    • 3-5
    • 6-8
    • 9-12

    Atoms of the same element are exactly alike. This animation depicts a copper atom.  » more info

    • Episodes/length: 1 program(s) / 0 minutes
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    • Website: http://www.uen.org/emedia
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  • Atoms: Examples of atoms

    • 3-5
    • 6-8
    • 9-12

    The four atoms depicted here have a different atomic number, which refers to the number of protons in the nucleus. The atomic number of helium is 2, aluminum is 13, hydrogen is 1, and oxygen is 8.  » more info

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    • Website: http://www.uen.org/emedia
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