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Direct linkStein, 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
Download full textCaspi, Shai; Sfard, Anna – PNA, 2012
Taking as a point of departure the vision of school algebra as a formalized meta-discourse of arithmetic, we have been following six pairs of 7th-grade students (12-13 years old) as they gradually modify their spontaneous meta-arithmetic toward the "official" algebraic form of talk. In this paper we take a look at the very beginning of…
Descriptors: Algebra, Arithmetic, Grade 7, Achievement Gains
