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Direct linkBolger, Molly S.; Kobiela, Marta; Weinberg, Paul J.; Lehrer, Richard – Cognition and Instruction, 2012
Reasoning about mechanisms is one of the hallmarks of disciplined inquiry in science and engineering, but comparatively little is known about its precursors and development. Children at grades 2 and 5 predicted and explained the motion of simple mechanical systems composed entirely of visible linkages (levers). Students' explanations of device…
Descriptors: Motion, Concept Formation, Grade 2, Logical Thinking
National Science Resources Center, 2010
In 1985, the leaders of the Smithsonian Institution and the National Academies established the National Science Resources Center (NSRC) to address the critical problem identified by the "A Nation at Risk" report. Through its Curriculum Development Center and in partnership with its publisher, Carolina Biological Supply Company, the NSRC developed…
Descriptors: Curriculum Development, Middle Schools, Science Education, Science Curriculum
