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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.

This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.

In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?