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Chesnutt, Katherine; Gail Jones, M.; Corin, Elysa N.; Hite, Rebecca; Childers, Gina; Perez, Mariana P.; Cayton, Emily; Ennes, Megan – Journal of Research in Science Teaching, 2019
This study examined the relationship between students' (N = 229) concepts of size and scale and students' achievement in science and mathematics over a 3-year period. Size and scale are considered one of the big ideas in science that permeates disparate science and mathematics content areas, yet little is known about the relationship between…
Descriptors: Science Achievement, Mathematics Achievement, Correlation, Science Instruction
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Nixon, Ryan S.; Smith, Leigh K.; Sudweeks, Richard R. – Journal of Research in Science Teaching, 2019
Although widely touted as important, there is little evidence regarding the influence of teaching experience on elementary teachers' science subject matter knowledge (SMK). To better understand this phenomenon, we administered an assessment of science topics taught in the fifth and sixth grades to 169 preservice teachers, 231 fifth-grade teachers,…
Descriptors: Elementary School Teachers, Pedagogical Content Knowledge, Science Instruction, Grade 5