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Sigmann, Samuella B. – Journal of Chemical Education, 2018
Over the past 20 years 164 children and educators have been reported as injured in demonstrations using flammable solvents. The injuries were the result of flash fires, flame jets, and projectiles which occurred once control was lost by the presenter. "The rainbow demonstration" using methanol as the solvent has by far been the most…
Descriptors: Chemistry, Science Instruction, Elementary Secondary Education, Science Teachers
Peer reviewed
School Science Review, 1981
Outlines a variety of laboratory procedures, discussions, and demonstrations including polarizing power and chemical properties of copper and zinc, preparation of boron coordination complex, demonstration of amino-acid synthesis in the primordial environment, classification and reactions of carbohydrates, and four others. (DS)
Descriptors: Atomic Structure, Chemical Reactions, Chemistry, College Science
Peer reviewed
School Science Review, 1981
Presents a variety of laboratory procedures, discussions, and demonstrations including centripedal force apparatus, model ear drum, hot air balloons, air as a real substance, centering a ball, simple test tube rack, demonstration fire extinguisher, pin-hole camera, and guidelines for early primary science education (5-10 years) concepts and lesson…
Descriptors: Biological Sciences, Chemistry, Demonstrations (Educational), Elementary School Science