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    Lunar and Planetary Institute
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    In this activity, learners model ancient lunar impacts using water balloons. By measuring the diameter of the crater area, learners discover that the Moon's largest impact basins were created...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity (page 1 of the PDF), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record the number of twirls per minute....

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    NOAA
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    In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation. Learners compare the melting rate between chocolate left in the sunshine and chocolate...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon. Using the Sun's light, learners will discover that the Moon rotates in the same...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Colorado State University
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    In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise. This...

    free Ages 8 - 14 10 to 30 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon. Shadows are not just what we see on the sidewalk,...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater. This activity is...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Astronomical Society of the Pacific
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    Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope. Learners will gain understanding of the Moon's light and dark areas and how lunar...

    free Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    Before there were clocks, people used shadows to tell time. In this outdoor activity, learners will discover how to tell time using only a compass, a pencil, a handy printout, and a sunny day....

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use their hands as tools for indirect measurement. Learners explore how to use ratios to calculate the approximate height of something that can't be measured...

    free Ages 11 - 14 10 to 30 minutes

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