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Biology | 2 |
Laboratory Experiments | 2 |
Laboratory Procedures | 2 |
Plant Growth | 2 |
Science Education | 2 |
Secondary School Science | 2 |
Demonstrations (Educational) | 1 |
Science Activities | 1 |
Science Experiments | 1 |
Science Materials | 1 |
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Freeland, P. W. | 2 |
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Freeland, P. W. – Journal of Biological Education, 1973
Presents an outline of current knowledge relating to the response of radicles to a directional source of water (hydrotropism). New techniques are described that may be used in biology classes to demonstrate the hydrotropic response in plants. (JR)
Descriptors: Biology, Demonstrations (Educational), Laboratory Experiments, Laboratory Procedures

Freeland, P. W. – School Science Review, 1974
Descriptors: Biology, Laboratory Experiments, Laboratory Procedures, Plant Growth