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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

In this activity, learners use household materials to investigate and explore their ability to smell an odor.

This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this outdoor fall activity, learners find out what living in or under a layer of leaves is like.

In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?