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Macbeth, Douglas Russell – Journal of Research in Science Teaching, 1974
Reports the results of a study designed to test the importance of manipulative experiences with science materials in the attainment of science process skills for kindergarten and third grade students. (JR)
Descriptors: Educational Research, Elementary School Science, Grade 3, Kindergarten Children

Heath, Phillip A.; Heath, Pearl – Journal of Research in Science Teaching, 1982
Investigated effects of limited oral/physical teacher intervention on object manipulation by preschool/early elementary children (N=70). Experimental students had magnets placed in their hands and were orally invited to explore. Results indicated differences between experimental/control groups in time spent with objects, number of activities…
Descriptors: Classroom Observation Techniques, Elementary School Science, Kindergarten Children, Object Manipulation