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ERIC Number: EJ433572
Record Type: Journal
Publication Date: 1991
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0002-7685
EISSN: N/A
Using Dandelion Flower Stalks for Gravitropic Studies.
Clifford, Paul E.; Oxlade, Edwin L.
American Biology Teacher, v53 n5 p290-93 May 1991
Activities that use dandelions to show the phenomena of geotropism and autotropism are described. Directions for collecting the stalks and observing the gravitropic response are included. The topics of lag time and bending rates, autotropism, growth rate changes, presentation time, and gravity detection are discussed. (KR)
Descriptors: Biology, Laboratory Experiments, Laboratory Procedures, Microscopes, Plant Growth, Plants (Botany), Science Activities, Science Education, Secondary Education, Secondary School Science, Teaching Methods, Weeds
Publication Type: Journal Articles; Guides - Classroom - Teacher
Education Level: N/A
Audience: Teachers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A