922 



Handbook of Nature-Study 



hand letting the children see that if they were living on the earth apple the 

 following things would be true : 



1 . Moving from right to left when the moon is between the earth and 

 the sun it reflects no Hght. 



2 . Moving a little to the left a crescent appears. 



3. Moving a quarter around shows the first quarter. 



4. When just opposite the lamp, it shows its whole face lighted turned 

 toward the earth. 



5. Another quarter around shows a half disc, which is the third quarter. 



6. When almost between the sun and the earth the crescent of the old 

 moon appears. 



7. Note that the moon always keeps one face toward the earth. 



Experiment for illustrating the phases of the moon. 



8 . Note that the new moon crescent is the lighted edge of one side of the 

 moon, while the old moon crescent is the lighted edge of the opposite side. 



9. Make an eclipse of the moon by letting the shadow of the earth fall 

 upon it, and an eclipse of the sun by revolving the moon apple between the 

 sun and the earth. The earth's orbit and the moon's orbit are such that 

 this relative position of the two bodies occurs but seldom. 



Observations — i. Describe how the moon looks when it is full. 



2. What do you think you see in the moon? 



3. Describe the difference in appearance between the new moon and 

 the full moon, and explain this difference. 



4. Where does the new moon rise and where does it set? 

 When does it rise and when does it set ? 

 Where and when does the full moon rise and where and when does it 



S- 

 6. 

 set? 

 7- 



How does the old moon look? 



_ Could the crescent moon which is seen in early evening be the old 

 moon instead of the new; and, if not, why not? 



