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In this activity, learners make a Benham Top to explore visual illusions and optics.

In this activity and game, learners will train to improve balance and spatial awareness by performing throwing and catching techniques on one foot.

This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.