Emmerich Manual High School - Ivian Yearbook (Indianapolis, IN)

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Physical Sciences Teach Natural Principles Robert ' Stevens shows little emotion as he is given the PPD tuberculin test by Mrs. Florence Miller, public health nurse, in his biology class. Irma Fisher awaits her turn. Senior Merrie Herbig marks crests on the ripple tank screen as she, David Treeter, and Mark Janke, who is adjusting the light, study wave motion in a physics class. Ron Hotseller pulls out a cross section of a styrofoam model of salt ions for Wayne Henke and Debbie Smiley to help with their study of inter-atomic bonds in chemistry. Mr. Wayne Dunbar, chemistry teacher, explains a problem to )udy Roberts, one of his students, after class. In the foreground is one of the graduated cylinders she is using. 25

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' Snakes Alive ' Top Interests in Biology Zoo Bonnie Richards gingerly touches the boa constrictor as Mr. Ed- ward Wall holds it. Fellow biology students Candy Brunner and Phyllis Wolfe look on the scene attentively. Manual ' s Science Department aims to give stu- dents a general understanding of science and of the natural laws which govern our environment. Biology students started with the study of the lower life forms, progressed through invertebrates and vertebrates, and finally graduated to man. New this year were 8-millimeter Filmloop Pro- jectors. Students used these individual viewers to examine cell division and photosynthesis. In Chemistry the world of atoms and molecules received attention. During the second semester, each student progressed at his own rate, and no grades other than checks and minuses were given except at the end of each grading period. Members of the Earth Science classes partici- pated in a city-wide Dirty Snow Project. Samples of snow were evaporated, and the dirt that te- mained showed the pollution the air contained. This year the traditional Physics course was joined by the Harvard Project Physics. The HPP method uses an historical approach. Pupils start with the earliest scientific thought and progress through the centuries. Along the way they perform such famous experiments as measuring the earth ' s diameter as Erastostemus did by means of angles. Sharon Boyd checks her chemistry notes as she and Rick Shrewsbury work on an experiment together. On the other side of the lab table, Neil Kent and Alan Smith assemble ma- terials in preparation of setting up a problem to use for class. 24

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Math Figures Yarge ' in Logical Thinking The Mathematics Department strives all Manualites the good basis in math that they will need in later life. This year the department was preparing for extensive revisions in the cur- riculum. Next year several of the advanced class- es will be replaced by a College Algebra course. Many freshmen began their high school ca- reer with General Math 1-2. Others, looking to math as a major, took up Algebra 1-2. Geometry 1-2 was the course for many sophomores, and Algebra ,S-4 was favored by college-bound juniors. Several advanced courses were offered after Algebra .S-4. Trigonometry acquainted students with the various functions of triangles. Trio is one of the most practical math courses, being used extensively in engineering and surveying. Solid Geometry took the ideas learned in geom- etry and extended them to three dimensions. Algebra and geometry were combined to make Analytic Geometry. In it geometric theorems were proved with algebra and a Cartesian graph system. Assembling a model of Pascal ' s Triangle for a Math Department office display are Juniors Patty Nevil and Janet Hoffmeister. The girls made the figure for their Algebra 3 class. Senior Don Crafton makes a point as he explains the development of a theorem in Solid Geometry to Dave Broughton and Steve Murray. Steve is holding a model of the object. Mr. Fred Ahlemeyer, instruc- tor of this course being offered for the last time, stands by to give help if the boys get stuck. 26