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Lunar Phases Lab


The NAAP Lunar Phases Lab demonstrates how the earth-sun-moon geometry gives rise to the phases of the moon as seen from earth. A distant view of an observer looking down on earth as well as a perspective of an observer looking into the sky are used in the the simulator.


First time users of NAAP materials should read the NAAP Labs – General Overview page.


Details and resources for this lab – including demonstration guides, in-class worksheets, and technical documents – can be found on the instructor's page. Some resources are not available for all modules.

Student Guide

Lunar Phase Simulator Student Guide (pdf)

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