FOOD. VIII. 



58. A brief summary of the facts stated under the 

 same topic in the work for the fifth, sixth, and 



seventh grades. 



59. Cost of production of food. 



a. Cost of land. (See Section 94.) 



b. Labor. 



c. Transportation. (See Section 95.) 



d. Profit to all who handle it. 



60. Vegetable food. 



Experiment 49. Composition of vege- 

 table food. 



61. Animal food. 



Experiment 50. Composition of animal 

 food. 



62. Analysis of food. 



Experiment 51. Tests for fats, proteids, 

 and carbohydrates. 



63. Adulteration of food. (See Section 96.) 



Experiment 52. Tests for adulterants 

 and preservatives. 



64. The value of food. 



a. Digestion. 



b. Assimilation and nutrition. 



65. The drug habit. Its dangers. (See Section 97.) 



a. Tobacco. 



b. Alcohol. 



c. "Pain-killers," 



