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Direct linkBar, Varda; Brosh, Yaffa; Sneider, Cary – Science Educator, 2016
Threshold concepts are essential ideas about the natural world that present either a barrier or a gateway to a deep understanding of science. Weight, mass, and gravity are threshold concepts that underpin students' abilities to understand important ideas in all fields of science, embodied in the performance expectations in the Next Generation…
Descriptors: Scientific Concepts, Physics, Concept Formation, Science Instruction
