USA S&E Festival Coffee Break 2 - January 2022

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Phases of the Moon

by: Geoff Holt and Nancy W. West

Every 29.5 days, the Moon’s shape appears to change in a predictable cycle. We call the shapes phases of the Moon. This activity will show how the Moon’s orbit causes the Moon’s phases. Students use Ping-Pong or Styrofoam balls to model the way the Sun illuminates the Moon as the Moon orbits Earth. Then they model the orbit of the Moon around Earth using a painted ball to understand why the Moon shows phases.

Details

Type Book ChapterPub Date 3/15/2011Stock # PB298X2_11a

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