24 



Forces at work: air, water, wind, frost; building coasts; 

 crumbling cliff; deepening gulcb; filling marsh. 



Note erosion and sedimentation in school yard and street. 

 Always relate physical characteristics of minerals and soils to 

 erosion and change in earth surface. 



Relate lime in solution in water to life in water, and beds of 

 limestone. 



OCTOBER 



PLANTS. 



Compare new and old growth of twigs as to color, hard- 

 ness, softness, texture; seeds growing on twigs — -wings, 

 hard, round, shell; near ground — ^pappus, hooks and 

 prickles. 



ANIMALS. 



Relate color of animals to their environment. Protection 

 and attractive coloration. Frogs, toads, grasshoppers, 

 quail, wild cat, polar bear, lepoard, tiger, etc. Relate to 

 food-getting. 



MINERALS. 



Stratified and unstratifled rock; limestone, sandstone, 

 slate, granite and marble. 



ELEMENTARY GEOGRAPHY. 



Condensation — ^formation of ra.in, snow, hail, frost, dew,, 

 clouds. History of a raindrop. 



Different forms of clouds: Cirrus, Cumulus, Stratus, 

 Mmbus. Elevation of each. 



Time and place of rising of new, full and waning moon. 

 Effect of day and night upon life. 



Movements of Jupiter and Venus. 



