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    NOAA
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    In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to...

    free Ages 11 - 18 45 to 60 minutes
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    NOAA
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    In this activity, learners graph 48 hourly air temperatures from a local weather observation site and observe the diurnal temperature variations. Learners visit the National Weather Service website...

    free Ages 8 - 14 30 to 45 minutes