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    California Academy of Sciences
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    In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting. This activity can be conducted as a demonstration...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    Centers for Ocean Sciences Education Excellence
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    In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

    1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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    American Association for the Advancement of Science
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    In this online activity, learners see simulations of how processes shape the Earth, and see estimates of how long these processes take. Learners see a before picture and after picture and need to...

    free Ages 8 - 11 5 to 10 minutes
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    COSI
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    In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion. They will observe the effects of erosion on the surrounding area and further...

    Over $20 per group Ages 8 - 11 1 to 7 days
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    Science Friday
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    In this activity, learners review and discuss weathering, erosion and mass wasting, to gain a stronger understanding of how Hickory Run’s Boulder Field was formed after the Laurentide Continental...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    COSI
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    In this weather activity (page 4 of the PDF), learners will explore the water cycle through an interactive game. They will move among various stations representing areas within the water cycle, and...

    $10 - $20 per group Ages 6 - 14 45 to 60 minutes
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    NOAA
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    In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere. Learners...

    free Ages 6 - 14 30 to 45 minutes
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    NISE Network
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    “Exploring Earth: Rising Sea” is a hands-on activity demonstrating ways to use topographical mapping techniques to track changes in sea level. The activity is connected to current NASA research....

    free Ages 6 - 14 5 to 10 minutes