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| American Biology Teacher | 2 |
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Peer reviewedDavis, Lawrence C.; Chou, Nancy C. – American Biology Teacher, 1998
Presents some simple demonstrations that students can construct for themselves in class to learn the difference between diffusion and convection rates. Uses cabbage leaves and gelatin and focuses on diffusion in ungelified media, a quantitative diffusion estimate with hydroxyl ions, and a quantitative diffusion estimate with photons. (DDR)
Descriptors: Biology, Chemical Reactions, Chemistry, Constructivism (Learning)
Peer reviewedCherif, Abour A.; Adams, Gerald E.; Cannon, Charles E. – American Biology Teacher, 1997
Describes several activities used to teach students from middle school age to college nonmajors about the nature of matter, atoms, molecules and the periodic table. Strategies integrate such approaches as hands-on activities, visualization, writing, demonstrations, role play, and guided inquiry. For example, the periodic table is viewed as a town…
Descriptors: Chemistry, Concept Formation, Constructivism (Learning), Demonstrations (Science)
