186 EXPERIMENTAL GENERAL SCIENCE 



18. How many degrees in a line drawn from one side of the horizon 

 to the other through the zenitht 



19. When the sun is overhead, how many degrees above the horizon 

 is it at noon? 



20. When the sun is perpendicular over the tropic of Capricorn, how 

 high is it at the equator at noon? 



21. The north pole points to the north star. How high would this 

 star be if one were at the north pole. 



22. If one should go south to the equator, where would the north 

 star appear? 



23. If you were in a part of the world where the north star was 60 

 degrees above the horizon, would you be nearer the equator or the pole? 



24. When the sun is over the equator, how high is it in the sky in 

 your region? What is your latitute? 



25. How high is the sun at noon in your region at the beginning of 

 whiter? (Over what part of the earth is the sun perpendicular?) 



26. How high in the sky is the sun at midsummer? 



27. What time is it when the sun crosses the meridian on the opposite 

 side of the earth from you? 



28. How long is the longest period of daylight at the equator? 



29. How does this compare with your own region? 



30. What meridian determines the time for yo'ur locality? 



