10 FIRST YEAR COURSE IN GENERAL SCIENCE 



4. Which star of all the groups is farthest from the Pole 

 Star? 



5. How will the position of the groups have changed in 

 six hours? 



6. Which group or groups will then be east of the meridian? 



7. Through what points of earth and sky does the celestial 

 meridian pass? 



8. What meridian of the earth lies directly under the 

 celestial meridian, that is, passes through the place where 

 you are? 



EXERCISE II (Textbook 18) 



POSITION OF THE SUN AT DIFFERENT HOURS 

 OF THE DAY 



APPARATUS: Hard, sharp pencil; needle about No. 5 

 or No. 6; sheet of notebook paper. 



NECESSARY CONDITIONS: Sunshine and access to a 

 south exposure. 



DIRECTIONS FOR WORK: Put N, S, E, W, at the margins 

 of the second page as on a map. Place the sheet of note- 

 book paper on a south windowsill, or on a south piazza, 

 floor with the lower edge of the paper toward the south and 

 in an east-west direction. Stick a long needle or pin into 

 the paper in a vertical position near the south edge, and 

 with a sharp pin or needle prick a hole at the end of the 

 shadow it casts: 



(a) two hours before noon; (d) one hour after noon; 

 (6) one hour before noon; (e) two hours after noon. 

 (c) at noon; 



Connect each of these points with the point made by 

 the large needle, using a light ruled pencil line. 



RESULTS 



1. State the direction of the first shadow from the pin. 



2. State the direction of the second shadow from the pin. 



