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FOREWORD Demonstrations of Mist Fog Cloud and Rain
This Is the Way We Do
Reading in Science As a Means of Improving
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ability acid activities agar astronomy atoms bacteria bi-metallic strip biology bottle boys bulb carbon chemical chemistry classroom colonies color concepts curriculum demonstration dents determine develop dilution discussion display distilled water earth science Education ence equipment evaluation experiment experimental field Figure filter paper flask fossils fungi girls glass grade HEINLEIN high school science hole ideas inches individual instructor interest junior high school laboratory lactose lamp learning light materials measure ment method mold neon lamp ninth ninth-grade observations organic oxygen paper paper chromatography petri dish physical science plants prepared principles problem procedure pupils questions reading REGENTS EXAMINATION rocks and minerals rubber sample science course science program science teachers scientific scientists scores selected slide sodium thiosulfate soil solution Tarzwell teaching technique temperature tenth-grade textbook tion tube unit wire York