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    Science Museum of Minnesota
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    Using simple materials, learners build an underwater scope to observe what lives in rivers, lakes, and streams. Since people can't breathe under water, the world below the water remains a...

    1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
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    Science Museum of Minnesota
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    The Sacred Cenote at Chichén Itzá is a sink hole, or well, containing groundwater. In this activity, learners create their own cenote using chalk, limestone, acids, and rain water. A real cenote is...

    1 cent - $1 per student Ages 6 - adult 10 to 30 minutes

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