A GRADED COURSE OF NATURE-STUDY 499 



Plant outside window-boxes and care for them. List 

 Chapter XVI. 



EIGHTH GRADE 



Aim and Method: Read discussion at beginning of 

 seventh grade p. 483. 



Throughout the year 



Physiography:* Systematic review of previous earth 

 study, illustrated by local features as far as possible. Per- 

 haps an elementary text-book may be used. The atmos- 

 phere, weathering, erosion, sedimentation, strata, fossils, 

 earth waters, igneous forces, mountain formation, ores and 

 minerals, economic resources, the coal period, coal, the ice 

 age, sketch of the development of animal life. Use pictures, 

 models, local illustrations. Emphasize the beauty and 

 grandeur of the earth. Try to get pupils to appreciate the 

 slowness of geological action. Show man's dependence 

 upon the physiographic conditions. Apply locally and to 

 other typical cases. Man's utilizing the forces and resources 

 of nature. Talks on the U. S. Geological Survey. (327, 

 336, 328, 326, 346, 343, 348, 344, 47Sa, 475b, 475c, geog- 

 raphies, books of travel.) 



Physics: Common properties of matter, gravity (clocks, 

 balancing, falling bodies, specific gravity, buoyancy). Make 

 very simple, avoid laws and formulae. Base upon simple 

 experiments. 



Air pressure, barometer,* pumps,* siphon,* water pres- 

 sure, city waterworks,* capillarity. 



Light : Review work of last year. Take up color, prism,* 

 spectrum,* lenses,* burning glass,* magnifying glass, micro- 



