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Stein, Hana; Galili, Igal; Schur, Yaron – Journal of Research in Science Teaching, 2015
Empirical studies have reported difficulties, confusion, and lack of understanding among students at all levels of instruction regarding the issue of weight--gravitation--weighing relationships. This study examined the impact of a new conceptual framework of weight, on a small group of 7th-grade students (N?=?14) in a middle school in Israel. This…
Descriptors: Middle School Students, Secondary School Science, Physics, Scientific Concepts
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Koman, Rita G. – OAH Magazine of History, 1994
Contends that the pledge by President Kennedy to land a man on the moon and return him safely "before the decade is out" was a Cold War tactic designed to bring national unity. Presents a lesson plan, a chronological chart, three primary documents, step-by-step implementation procedures, and related student activities. (CFR)
Descriptors: Class Activities, Educational Strategies, Foreign Countries, Foreign Policy