FOOD. V. 



53. The source of all food. 



a. Plant food. 



b. Animal food. 



54. The farm a workshop. 



55. Tilling the soil. 



(Garden work may begin here) 



56. Alcohol as a dangerous drug. 



57. The harmfulness of chewing tobacco and of chew- 



ing gum. 



(This subject, Food, is continued in the work 

 for the sixth grade.) 



MECHANICS. V. 



5& Simple measurement* 



a. Length. 



b. Area. 



c. Volume, 



Experiment 64. The arithmetic of meas- 

 urement, 



d. Circular measurement, 



59. Everything has weight. The balance. 



Experiment 65. Air has weight, 



60. Everything occupies space. 



Experiment 66. Displacement of water 



by solids and air. 

 6L Density. 



Experiment 67. Different bodies of the 



same size have different weights. 

 62. Drawings. 



a. Making straight lines and curves. 



b> Drawings should b<e made of all experimentvS. 



