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Beisenherz, Paul C. – Science and Children, 1981
Discusses methodology for several activities which use Alka Seltzer tablets as a source of carbon dioxide gas. (CS)
Descriptors: Chemical Reactions, Chemistry, Elementary School Science, Elementary Secondary Education
Peer reviewed Peer reviewed
Zwicker, Earl, Ed. – Physics Teacher, 1988
Introduces a demonstration kit for understanding conductivity by using several fruits and vegetables. Provides a parts list and assembly instructions for the "lemon screamer." (YP)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Educational), Electricity
Peer reviewed Peer reviewed
Treptow, Richard S. – Journal of Chemical Education, 1986
Discusses the difficulties that beginning chemistry students have in understanding acid-base chemistry. Describes the use of conjugate acid-base charts in helping students visualize the conjugate relationship. Addresses chart construction, metal ions, buffers and pH titrations, and the organic functional groups and nonaqueous solvents. (TW)
Descriptors: Acids, Charts, Chemical Reactions, Chemistry