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Peer reviewedJacobson, David – Science Activities, 1973
Describes the construction of a simple apparatus capable of converting solar energy into mechanical energy. Construction of the engine'' is inexpensive, and should stimulate student interest in the idea of producing power directly from the sun. (JR)
Descriptors: Energy, Laboratory Experiments, Physics, Resource Materials
Peer reviewedWard, Alan – Science Activities, 1973
Descriptors: Experiments, Instructional Materials, Laboratory Procedures, Light
Peer reviewedFinn, Edward J. – American Journal of Physics, 1974
Discusses an experiment on the conservation of momentum and Q-values for elastic and inelastic collisions with frictional energy dissipation taken into account. Indicates that the apparatus is readily fabricated from easily available materials. (CC)
Descriptors: College Science, Instructional Materials, Laboratory Equipment, Laboratory Experiments
Peer reviewedRemington, Lloyd D.; Squibb, S. Dexter – Science Teacher, 1974
Descriptors: Chemistry, Laboratory Procedures, Science Activities, Science Education
Ayliffe, J. – South Australian Science Teachers Journal, 1973
Descriptors: Instructional Materials, Laboratory Equipment, Physics, Science Education
Peer reviewedTalesnick, Irwin, Ed. – Science Teacher, 1973
Descriptors: Chemistry, Demonstrations (Educational), Instructional Materials, Models
Peer reviewedLarson, L. A.; Berg, David – American Biology Teacher, 1973
Descriptors: Acids, Biology, Laboratory Experiments, Laboratory Procedures
Peer reviewedKurkdjian, Armen; And Others – American Biology Teacher, 1974
Describes several simple and inexpensive experiments designed to facilitate the study of normal and abnormal morphogenesis in the biology laboratory. Seedlings of the common garden pea are used in the experiments, and abnormal morphogenesis (tumors) are induced by a virulent strain of the crown-gall organism, Agrobacterium tumefaciens. (JR)
Descriptors: Biology, Development, Laboratory Procedures, Plant Growth
Peer reviewedGaskell, D. C. – School Science Review, 1973
Describes an experiment suitable for high school physics classes in which students determine the wavelength of electromagnetic radiation of u.h.f. television transmissions. Elaborate equipment is not required, and details are given for the construction of a dipole. (JR)
Descriptors: Instructional Materials, Laboratory Experiments, Laboratory Procedures, Physics
Peer reviewedRodriguez, F. – Journal of Chemical Education, 1973
Descriptors: Chemistry, College Science, Demonstrations (Educational), Instructional Materials
Peer reviewedWalkley, G. H. – School Science Review, 1973
Presents a teaching unit on the Langmuir absorption isotherm suitable for advanced secondary school chemistry classes. Describes the experimental investigation of the isothermal adsorption of sulfur dioxide on charcoal, and discusses the derivation of the Langmuir equation and some applications. (JR)
Descriptors: Chemistry, Instruction, Laboratory Experiments, Laboratory Procedures
Peer reviewedSchmidt, Hans-Jurgen – School Science Review, 1973
Describes the procedure for making a quantitative analysis of organic compounds suitable for secondary school chemistry classes. Using the Schoniger procedure, the organic compound, such as PVC, is decomposed in a conical flask with oxygen. The products are absorbed in a suitable liquid and analyzed by titration. (JR)
Descriptors: Chemistry, Instruction, Laboratory Experiments, Laboratory Procedures
Peer reviewedCoppage, Jo; Hill, T. A. – Journal of Biological Education, 1973
Experiments conducted on wheat and barley grains to analyze activities of alpha- and beta-amylase enzymes. Gibberellins were used exogenously. Techniques are described in detail. Results on different cultivars revealed that beta-amylase was not an invariable result of imbibition. Techniques employed can be used by school students. (PS)
Descriptors: Biochemistry, Biology, College Science, Instructional Materials
Peer reviewedCrow, T. T. – Physics Teacher, 1973
Descriptors: College Science, Instructional Materials, Laboratory Experiments, Optics
Peer reviewedWilson, Frederick; Lord, A. E., Jr. – American Journal of Physics, 1973
Descriptors: College Science, Instruction, Instructional Materials, Mechanics (Physics)
