SCHIVEL y] NA T U RE-STUD Y CO URSE IN NORMA L SCHOOL 357 



4. Review of seventh year (experimental work) — transference 

 of heat (conduction, convection, radiation) ; appHcation to study 

 of winds. 



5. References to work or Weather Bureau; examination of 

 weather maps. 



6. Sound: simple experiments wherever possible. . 

 (a) Nature of sound. 



• (b) Wave motion; transmission. 



(c) Media carrying sound. 



(d) Velocity. 



(e) Reflection. 

 (/) Pitch. 



This series is correlated with the study of the ear and larynx 

 (physiology) . 



7. Light : simple experiments wherever possible. 



(a) Luminous and non-luminous bodies. 



(b) Transparent, translucent, opaque. 



(c) Traveling in straight lines; rays. 



(d) Velocity. 



(e) Reflection. 

 (/) Refraction. 



(g) Prism-light broken into colors. 



{h) Lenses and focussing; references to optical instruments. 

 This series is correlated with the study of the eye (physiology) . 

 Dissection of a bullock's eye is very helpful. 

 N. B. — It is not usually possible to give both the series on light 

 and sound. 



March, April, May, June 



Experimental Work 

 Often continued into March. 



Bird Study 

 By means of Audubon leaflets and charts; encourage observa- 

 tion out of doors. 



Plant Life 

 Recognition of wild flowers, trees, garden flowers. 

 Lily family: by means of flowering bulbs. 

 Amaryllis family: by means of flowering bulbs. 



