304 GENERAL SCIENCE 



5. Name several cooked foods that have eggs in their make-up. Of what 

 use are eggs in making coffee? Why is it that the fresh shells may serve 

 a like purpose? 



6. What eggs other than those of hens are used for food? To what uses are 

 spoiled eggs put? How is this possible? 



7. Describe how eggs are "candled". What is the purpose of the air space 

 found in the large end of the egg? What is the relative size of this air 

 space in fresh and in stale eggs? 



8. To what countries are eggs exported from the United States? Account 

 for their export to Canada which is an agricultural rather than a manu- 

 facturing or commercial country. 



9. Name the various tissues of the body of the chick when hatched. Out of 

 what substance within the egg have these been developed? Ascertain 

 the literal meaning of the word protein. 



10. In some general and striking way express the annual value of both the 

 poultry and egg production of the United States (or of your own State). 



11. How does the extent of the poultry industry exhibit national as well as 

 individual prosperity? 



12. Why is raising ducks and geese so much less common than raising hens? 

 Why are so few turkeys raised? 



13. What advanced high school science includes a study of the structure of 

 domestic fowls? Why should studies of poultry be included in a high 

 school course in agriculture? 



14. What is true of the physical endurance necessary in raising poultry as 

 compared with the demands of general farm work? 



15. Name several of the breeds of fowls commonly kept for profit by poultry 

 raisers. Mention some of the well-defined characteristics of each kind. 



THE HORSE 



Any discussion of the farm would be incomplete without 

 a study of the horse. As one of man's most faithful and 

 serviceable domesticated animals, the horse has long con- 

 tributed in large measure toward the production and distri- 

 bution of the world's food supplies. It is but a few years 

 since the horse was relieved from the tasks of transportation 

 on street-car lines, and as the sole source of power in moving 

 boats over inland waterways. The stage coach was long 

 ago replaced by the railway, and now even in warfare the 

 motor truck lessens the need for horses. The part played 

 by the horse in the world's history, as used by man in the 



