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The Geophysical Light/Dark Cycle

This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel. Learners will discover how the light/dark cycle is dictated by the rotation of Earth. In addition, learners will examine the annual changes in the duration of light each day as the planet orbits the sun. Learners will also discuss the implications in the light/dark cycle for astronauts aboard an orbiting spacecraft. This activity...

Keywords:: Social Sciences, Moon and Sun, NSDL, Nocturnal Cycle, Physics, The Brain and Nervous System, Sleep, Sunset, Chemistry, General, Astronauts, Sunrise, Suprachiasmatic Nucleus, Diurnal Cycle, Life Science, Physical Science, Brain, Mathematics, Engineering, Earth, Days, Human Body, Education, Gravity, Patterns, Circles, Space, Orbit, Satellites and Spacecraft, Biological Science, Sun, Biological Clock, Conducting Investigations, Health/Medicine, Data Representation, Astronomy, Space Science, Data Analysis, The Sun, Geoscience, Psychology, Measurement, Hypothalamus, Circadian Rhythms, Data Collection, Circadian Timing Systems, General Science, Technology, Data Analysis and Probability, Rotation Motion, Probes, Circadian Clock, Formulating Explanations

Disciplines:

Science and Technology / Astronomy

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Material Type:: Simulation
Date Added to MERLOT:: July 27, 2016
Date Modified in MERLOT:: July 27, 2016
Authors:: Bernice R. McLean, NSBRI
Marlene Y. MacLeish, NSBRI
Submitter:: Barbra Bied Sperling

Primary Audience:: Grade School, Middle School, High School
Technical Format:: Website
Mobile Compatibility:: Not specified at this time
Language:: English
Cost Involved:: No
Source Code Available:: No
Creative Commons:: This work is licensed under a Attribution 3.0 United States