Grand Blanc High School - Echo Yearbook (Grand Blanc, MI)

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',,,p, Ain K ia ' 1 fl- f . 4 HAROLD KOSKI, B. A, Northern Mich. College of Education Chemistry, Physics junior Class Sponsor Photography Club Adviser Experiments performed for and by the students of all the science classes demonstrate clearly the reactions of chemical substances and the forces released by ma- chines, light, and electricity when these forces are scientifically con- trolled. The novice eighth grad- ers are initiated into the science if My I-UiNiM fy! Pisa of their environment by Mr. Batchelor. In the ninth grade the budding scientists plunge deep in- to the mysteries of Biology. After putting aside their bugs, amoebae, and field trips for a year, some eleventh graders delve into chem- ical formulae. Mr. Koski greets them with bubbling chlorine gen- 'X ,if Paul Nickel hooks up the juice as the Chemistry class He shows them how - - - prepares for the electrolysis of water, 18 Natural Krimmel, Stableford, proving Boyle's

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Cepavtment MABEL MOORE, B. A. CHARLES E. RUSTE, B S Murray State Teachers College, KY- Central Mich. College of Education Seventh Grade Arithmetic, History Seventh Grade Mgfhemafgcs General Mathematics Second Semester Let a Then af '- Subtracting b: ae - bg Factoring Ca-bl Ca+bJ Then Ca + bl Substituting b + b Then 2b Therefore 2 b. ab. ab-b. bfa b. b. b- 1 K 1. y Another day this was the question in plane geometry: Prove that an empty glass is worth as much as a full glass. To prove: Divide by 2-Half Multiply by 2-Empty Glass : Full Glass Therefore : .+ ,gf , js WI. Empty Glass : Full Glass Empty Glass : Half Full Glass C2 halves! C2 halvesb .H Empty Glass 1 Full Glass .'a3Ur-EH? Who is going to have the right answers first in Mr. Pepper's Algebra section? 17

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Science i Wilcox, and King Law. they do the work. erators and burning phosphorus. Before the completion of the course they know the reaction of salt in their pal's coffee and what happens when a class ring is dropped into silver nitrate. As seniors, the fun of the chemistry lab is exchanged for the machines and powers of physics which re- DONALD G. BATCHELOR, B. S. Slippery Rock Teachers College ,General Science Physical Director Vocational Guidance veal why the chimneys on fac- tories are so tall, why a dry cell battery runs down, and why your skin seems a different color un- der fluorescent lights. Sometimes they also learn what happens when ice cream is frozen by the hand method. Batch introduces one of the wonders of science to his eighth grade class.