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Banks, Stephen W.; Shepherd, Deborah K.; Williams-Hart, Tara; Gossett, Dalton R.; Crnkovic, Amanda C. – Journal of Biological Education, 2007
This paper is based upon a laboratory exercise designed for biology students in secondary schools or those taking introductory biology laboratory courses in colleges and universities. This exercise requires a set of calipers, a calculator and populations of snail shells collected either from the wild or obtained from a biological supply house. The…
Descriptors: Science Laboratories, Biology, Probability, Science Activities
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Spellerberg, Ian; Ward, Jonet; Smith, Fiona – Journal of Biological Education, 2004
A water quality monitoring programme for schools is described. The purpose of the programme is to introduce school children to the concept of reporting on the "state of the environment" by raising the awareness of water quality issues and providing skills to monitor water quality. The programme is assessed and its relevance in the…
Descriptors: Foreign Countries, Water Quality, Environmental Education, Skill Development
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Grotzer, Tina A.; Basca, Belinda Bell – Journal of Biological Education, 2003
Students have difficulty understanding ecosystem concepts. This article argues that the difficulty stems partly from not grasping the underlying causality that structures the concepts. We report on an intervention study designed to teach eight- and nine-year-olds to reason about domino, cyclic, and mutual causality by infusing causally focused…
Descriptors: Middle Class, Ecology, Grade 3, Intervention