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Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats.

Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.