Descriptor
Source
| American Biology Teacher | 3 |
Author
| Hershey, David R. | 3 |
Publication Type
| Guides - Classroom - Teacher | 3 |
| Journal Articles | 3 |
Education Level
Audience
| Practitioners | 2 |
| Teachers | 2 |
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Peer reviewedHershey, David R. – American Biology Teacher, 1991
Author provides details about Helmont's experiment that was a milestone in the history of plant biology since it marked the start of experimental plant physiology. Concludes that Jean Baptista van Helmont's supposedly simple experiment becomes complex when trying to determine the methods he used, evaluate his sources of experimental error, and…
Descriptors: Biology, Elementary Secondary Education, Plants (Botany), Science Education
Peer reviewedHershey, David R. – American Biology Teacher, 1994
Describes historical accounts dating back to as early as 604-562 BC of the various uses of hydroponics. Throughout the article, diagrams and simple instructions are provided to aid in classroom use of hydroponics. (ZWH)
Descriptors: Plants (Botany), Science Activities, Science Education, Science Experiments
Peer reviewedHershey, David R. – American Biology Teacher, 1993
Describes how lectures, laboratories, and role playing can be used to introduce students to the importance of water quality of water used for plant growth. (PR)
Descriptors: College Science, High Schools, Higher Education, Learning Activities
