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Hast, Michael; Howe, Christine – Journal of Science Education and Technology, 2013
Previous research indicates children reason in different ways about horizontal motion and motion in fall. At the same time, their understanding of motion down inclines appears to result from an interaction between horizontal and vertical motion understanding. However, this interaction is still poorly understood. Understanding of speed change may…
Descriptors: Scientific Concepts, Science Education, Elementary School Science, Age Differences