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Armstrong, Terry; Heikkinen, Michael – Science and Children, 1977
Lists ten characteristics for a suitable focus topic for open-ended science problems. Examples of appropriate focus statements in the areas of life, earth, and space science are included. Discusses options open to teacher and student in providing open-ended learning. (CS)
Descriptors: Elementary Education, Elementary School Science, Inquiry, Instruction
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Demchik, Michael J. – American Biology Teacher, 1989
Reports on an investigation of a population of dandelions on a school lawn. Describes the objectives, rationale, study area, and the results of the study. Includes tables and graphs that show data collected. (RT)
Descriptors: Biology, Botany, Experiential Learning, Graphs