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How Boulders Are Born
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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 Glac
  
Differing Densities: Fresh and Salt Water
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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.