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| Alyea, Hubert N. | 3 |
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| Journal Articles | 3 |
| Guides - Classroom - Teacher | 1 |
| Guides - General | 1 |
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| Practitioners | 2 |
| Teachers | 1 |
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Peer reviewedAlyea, Hubert N. – Journal of Chemical Education, 1980
Discusses how TOPS devices can be improved. New chemistry-physics devices are offered in hopes of encouraging teachers to invent other small devices for projection on a TOPS projector-adaptor. (HM)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Higher Education
Peer reviewedAlyea, Hubert N. – Journal of Chemical Education, 1979
Presents the plans for constructing a mode 2 TOPS Projector-adaptor, which costs one-half that of a model described in an earlier article. The author uses a step-by-step approach to the project. (SA)
Descriptors: Chemistry, Overhead Projectors, Science Education, Science Equipment
Peer reviewedAlyea, Hubert N. – Journal of Chemical Education, 1989
The construction and uses of a device to facilitate the use of an overhead projector to show chemical reactions is presented. Materials and instructions for construction as well as reactor vessels are discussed. (CW)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
