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    NOAA
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    In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates. Learners place one shiny coffee can and one coffee can painted black, each...

    $1 - $5 per group Ages 6 - 14 2 to 4 hours
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    Pratt School of Engineering, Duke University
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    Historically, sea floor mapping (bathymetry) was done by soundings. Soundings are taken by dropping a weight with a pre-measured rope off the side of the boat and noting the measurement on the rope...

    $1 - $5 per group Ages 11 - 14 2 to 4 hours

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