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Visualizing How the Vestibular System Works
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In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the
Changing Body Positions: How Does the Circulatory System Adjust?
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In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing
Raising the Level of Carbon Dioxide in Your Blood
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In this activity (on page 146 of the PDF), learners will explore the effects of increased carbon dioxide in the bloodstream.
The Geophysical Light/Dark Cycle
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This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.
Measuring Blood Pressure in Space
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In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.
Introduction to the Scientific Method
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.