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Smith, Andrew F.; Kling, Tatiana – 1993
This booklet describes for elementary students the many contributions of people, traveling many places, over many years to bring the tomato to Philadelphia. The booklet includes the following: (1) "Introduction to the Tomato"; (2) "Where Does the Tomato Come From?"; (3) "The Spanish Tomato"; (4) "The Philadelphia…
Descriptors: Area Studies, Elementary Education, Geographic Distribution, Geographic Location
Peer reviewed Peer reviewed
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Cardak, Osman; Dikmenli, Musa – Asia-Pacific Forum on Science Learning and Teaching, 2008
The purpose of this study is to determine the alternative conceptions of elementary school pre-service science teachers regarding DNA and DNA technologies. The questions asked in the study related to subjects including the structure and role of DNA molecule, structure of genes, some genetic technologies, Genetically Modified Organism (GMO) plants,…
Descriptors: Genetics, Science Teachers, Preservice Teachers, Preservice Teacher Education
Peer reviewed Peer reviewed
Stevens, Wendy Tessman – Science and Children, 1996
Describes a project in which students selected seeds from two heirloom varieties of tomatoes, sowed the seeds, harvested the tomatoes, and fermented the seeds. Details are provided for each step of the project and the school address is included so that other students can begin similar projects. (DDR)
Descriptors: Biology, Class Activities, Elementary Education, Experiential Learning
Prater, Mary Anne – Academic Therapy, 1987
A procedure for teaching concepts to elementary grade students includes the following four steps: (1) provide the definition and label; (2) present examples and nonexamples; (3) incorporate both instruction and practice; and (4) use a diagnostic classification test. (DB)
Descriptors: Concept Formation, Elementary Education, Teaching Methods