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In this activity, learners draw natural objects to explore the details, differences, and similarities of natural objects.

This activity (page 2 of the PDF under SciGirls Activity: Horse Ears) is a full inquiry investigation into animal behavior and communication.

In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.

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