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ERIC Number: EJ939684
Record Type: Journal
Publication Date: 2004
Pages: 5
Abstractor: As Provided
Reference Count: 2
ISSN: ISSN-0021-9266
Teaching the Pressure-Flow Hypothesis of Phloem Transport in a Problem-Solving Session
Clifford, Paul
Journal of Biological Education, v39 n1 p35-39 2004
Problem solving is an ideal learning strategy, especially for topics that are perceived as difficult to teach. As an example, a format is described for a problem-solving session designed to help students understand the pressure-flow hypothesis of phloem transport in plants. Five key facts and their discussion can lead to the conclusion that a turgor-pressure difference along sieve tubes of the phloem drives a mass flow of sugar solution between source and sink. The given format is suitable for use in the sixth-form classroom when the mechanism of phloem transport is usually first taught to students. Additional information is provided so that school teacher scan lead a class discussion and stimulate student interest in the phloem as a long-distance transport system. (Contains 1 box.)
Routledge. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Elementary Secondary Education; Secondary Education
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A