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2000
How does a tiny seed sprout and grow into a towering tree? Join the kids from M.A.P.L.E as they learn about some of the incredible transformations that a plant goes through during its lifetime. In All About Plant Structure & Growth, uncover the secrets of roots, stems and leaves - structures that are vital to a plant's role as an energy…
Descriptors: Anatomy, Botany, Elementary Education, Hands on Science
Peer reviewedPisarik, Larry; Hoff, Darrel – Science Teacher, 1973
Descriptors: Experiments, Laboratory Procedures, Physics, Resource Materials
Peer reviewedSmith, B. W.; Parsons, M. L. – Journal of Chemical Education, 1973
Descriptors: Chemical Analysis, Chemistry, College Science, Laboratory Experiments
Peer reviewedBarefield, E. Kent – Journal of Chemical Education, 1973
Descriptors: Chemical Reactions, Chemistry, College Science, Equipment Utilization
Belousov, V. A. – Soviet Education, 1973
Following the supposition that study of a subject through a specific problem is an effective way to develop thinking, the author advocates classroom experimentation that requires the student to put forth a hypothesis, test its validity, advance a theory, and try a new problem. (JH)
Descriptors: Comparative Education, Physics, Science Experiments, Science Instruction
Peer reviewedKoons, L. F. – Science Activities, 1974
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Physics
Peer reviewedHarmer, A. F.; Angles, J. – School Science Review, 1973
Descriptors: Biology, Chemical Analysis, Chemistry, Chromatography
Peer reviewedSteere, Norman V., Ed. – Journal of Chemical Education, 1973
Descriptors: Accident Prevention, Chemistry, Laboratory Procedures, Laboratory Safety
Peer reviewedTait, A., Ed. – Australian Science Teachers Journal, 1973
Includes a simple technique to demonstrate Millikan's oil drop experiment, an environmental studies experiment to measure dissolved oxygen in water samples, and a technique to demonstrate action-reaction. Science materials described are the Pol-A-Star Tomiscope, Nuffield chemistry film loops, air pucks and pH meters. (JR)
Descriptors: Chemistry, Instruction, Laboratory Experiments, Laboratory Procedures
Peer reviewedBagby, John P. – Science Activities, 1973
Descriptors: Broadcast Reception Equipment, Radio, Satellites (Aerospace), Science Activities
Peer reviewedOlsvig, Linda – Science Activities, 1973
Describes a technique for comparing the number of bacteria in various soil samples. The equipment and materials are readily available, and the technique is suitable for high school students. (JR)
Descriptors: Biology, Laboratory Techniques, Microbiology, Science Activities
Peer reviewedNabors, Murray W. – American Biology Teacher, 1973
Describes a method for measuring osmotic potential which is suitable for high school and college biology classes. This method introduces students to the hard-to-visualize technique of using density gradients to separate cells or cell constituents of differing densities. (JR)
Descriptors: Biology, Botany, College Science, Demonstrations (Educational)
Peer reviewedBruce, David S.; Linden, Donald G. – American Biology Teacher, 1973
Describes two experiments in physiology using a readily available marine vertebrate, the flounder. Representative results are presented from experiments which measure the effect of excess potassium on the flounder EKG, and the effect of temperature on heart rate of the starry flounder. (JR)
Descriptors: Biology, College Science, Heart Rate, Laboratory Procedures
Peer reviewedFreeland, P. W. – Journal of Biological Education, 1973
Describes simple quantitative determinations for ethanol and carbon dioxide, together with techniques for examining the effects of a number of environmental factors on their production. The experimental work centers around the growth of a cell population of yeast, and is suitable for senior high school students. (JR)
Descriptors: Chemistry, Environmental Influences, Instructional Materials, Laboratory Procedures
Peer reviewedAlusik, John – Science Activities, 1973
Describes two experiments using carbon dioxide cartridges to demonstrate Newton's third law of motion. (JR)
Descriptors: Demonstrations (Educational), Laboratory Procedures, Mechanics (Physics), Motion
