. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 656 Rural School Leaflet. Per cent In i quart Water 87 29. 93 ounces Fat 4 1-38 " Casein .89 Albumen 7 .24 " Sugar 5 1. 72 Ash 7 .24 (( 100 oz. LESSON in. THE PARTS OF AN EGG. Fig. 5. (For advanced pupils.) Bv James E. Rice. Object.—To teach the structure and function of the egg, to demon- strate natural physical laws which are there illustrated, and to train the pupil in accuracy of observation. CHALAZ
. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 656 Rural School Leaflet. Per cent In i quart Water 87 29. 93 ounces Fat 4 1-38 " Casein .89 Albumen 7 .24 " Sugar 5 1. 72 Ash 7 .24 (( 100 oz. LESSON in. THE PARTS OF AN EGG. Fig. 5. (For advanced pupils.) Bv James E. Rice. Object.—To teach the structure and function of the egg, to demon- strate natural physical laws which are there illustrated, and to train the pupil in accuracy of observation. CHALAZA :MTP\C-. tSNC-^^ ^^.VE-P— \ \ -^ / 0i ''"'"'?'^ZA ^PAC£ Fig. 5.—Diagram of a lien's egg, in longitudinal section. Suggestions to the teacher.—This practical exercise can be given best by affording each pupil an opportunity to observe for himself the points to be brought out in the lesson. This can be accomplished in progressive steps by a statement of the things to be done and to be observed. Later, the observation can be aided by blackboard or chart illustration showing roughly in colors the structure of the egg, with a printed word description by which the pupil may compare and correct his drawings. Materials.—Each pupil should be supplied with two eggs, one with light shell, the other with dark shell if possible; two saucers; one draw- ing pencil; one box of colored lead pencils; and a knife. For the general use of the class there should be a sfood lens; an alcohol lamp and kettle, or other facilities for boiling eggs; an egg-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cornell University. Agricultural Experiment Station. [Ithaca, N. Y. ?], 1900-1910. James B. Lyon, State printer)
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