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Air, It's Really There
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This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.
Shake and Make: Charge Recognition
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In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion.
Exploring Forces: Gravity
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.