CIRCULAR MEASUREMENT 7 



shadows in the forenoon and in the afternoon? Why do 

 you think so many shadows were marked? What would 

 you do if part of the day were cloudy? 



The north side of trees has the most moss, as a rule, 

 because that side receives the least sunshine and is the 

 wettest. Since moss requires a large amount of moisture 

 it cannot live on the sunny side of trees, unless there is 

 a great deal of rain. 



4. Circular Measurement. 



If you stand in one place and turn around until you 

 face the same way as you did before you began to move, 

 you have made one revolution, or a complete circle. If 

 someone told you to turn one-half or one-quarter the way 

 around you would know how far to turn. Perhaps you 

 could turn one-eighth the way around. If someone 

 wanted you to turn one-sixteenth the way around you 

 probably would not know how far to turn. In order to 



