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Demonstrating the Phases of the Moon The phases of the Moon can be demonstrated with a simple model using plain white masks. In this activity, four student volunteers wearing masks position themselves in a diamond pattern all facing the same direction. The masks represent the face of the Moon illuminated by the Sun. The four masked students represent the Moon at four different positions in the Moon’s orbit around the Earth. Then another student that represents the Earth is positioned in the middle of the other four and can spin to view the Moon in its different positions. The student representing the Earth can observe the different lunar phases (new moon, first quarter, full moon, and third quarter) by seeing only a portion of each mask from their perspective. In this model, it is important for students to understand that the same side of the Moon is always facing the Earth. The masks only represent the portion of the Moon that is illuminated by Sun. This is a model to illustrate the phases of the Moon. It is useful to have students evaluate the accuracy of the model and to point out possible inaccuracies or problems with the model. In addition, it is a valuable opportunities for students to propose improvements in the model. For example, students need to understand that the masks only represent the illuminated portion of the Moon and that the same side of the Moon is always facing the Earth.

Phases of the Moon - Earth Science of the...Demonstrating,the,Phases,of,the,Moon,, ThephasesoftheMoon!canbe demonstrated!with!a!simple!model!using! plain!white!masks.!!In!this!activity,!four!

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Page 1: Phases of the Moon - Earth Science of the...Demonstrating,the,Phases,of,the,Moon,, ThephasesoftheMoon!canbe demonstrated!with!a!simple!model!using! plain!white!masks.!!In!this!activity,!four!

 

Demonstrating  the  Phases  of  the  Moon    The  phases  of  the  Moon  can  be  demonstrated  with  a  simple  model  using  plain  white  masks.    In  this  activity,  four  student  volunteers  wearing  masks  position  themselves  in  a  diamond  pattern  all  facing  the  same  direction.        The  masks  represent  the  face  of  the  Moon  illuminated  by  the  Sun.    The  four  masked  students  represent  the  Moon  at  four  different  positions  in  the  Moon’s  orbit  around  the  Earth.    Then  another  student  that  represents  the  Earth  is  positioned  in  the  middle  of  the  other  four  and  can  spin  to  view  the  Moon  in  its  different  positions.    The  student  representing  the  Earth  can  observe  the  different  lunar  phases  (new  moon,  first  quarter,  full  moon,  and  third  quarter)  by  seeing  only  a  portion  of  each  mask  from  their  perspective.        In  this  model,  it  is  important  for  students  to  understand  that  the  same  side  of  the  Moon  is  always  facing  the  Earth.    The  masks  only  represent  the  portion  of  the  Moon  that  is  illuminated  by  Sun.        This  is  a  model  to  illustrate  the  phases  of  the  Moon.  It  is  useful  to  have  students  evaluate  the  accuracy  of  the  model  and  to  point  out  possible  inaccuracies  or  problems  with  the  model.    In  addition,  it  is  a  valuable  opportunities  for  students  to  propose  improvements  in  the  model.  For  example,  students  need  to  understand  that  the  masks  only  represent  the  illuminated  portion  of  the  Moon  and  that  the  same  side  of  the  Moon  is  always  facing  the  Earth.