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Mystery Shapes
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In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

Life Size: Line 'em up!
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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.

Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

Atoms and Matter (K-2)
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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

Waterscope Wonders
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In this activity, learners will create a magnifying glass called a waterscope, using water and household items, to examine various objects.

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

Size and Scale: Probing and Predicting
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In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?