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Moon Phases - How Many Days Old?

These miniature moon mosaics represent some of the moon's phases. As more moon phase images are collected, the additional mosaics will be added.

Moon which is 9 days old. Moon which is 10 days old.

Moon which is 13 days old. This moon is 15 days old. This moon is nineteen days old. This moon is twenty-two days old. This moon is twenty-three days old.
 

Moon Phases: Create a Model!
Place and label each phase on a card stand.

Cut out each moon phase. Glue or tape each phase to the top of an  index card. Label the lower portion of the card with the day of the cycle. (New Moon = Zero.) Fold each card under to form a stand. 

The Phases included are:

Day Nine

Day Ten

Day Thirteen

Day Fifteen

Day Nineteen

Day Twenty Two

Day Twenty Three
Glue or tape each phase to the top portion of an index card.


Moon's Phase

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Moon's Age

Write the moon's age on the lower portion and fold it back to form a stand.

 Set up the phases around Earth. 
Stand up the folded cards. Arrange the phases in a model with the Earth at the center and the Sun very far away in the direction opposite the Moon closest to full. 

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This page by Vivian Hoette, Education Specialist, Adler Planetarium and Astronomy Museum, 1300 South Lake Shore Drive, Chicago, Illinois. Beta Version 04-13-98. vhoette@hou.lbl.gov