Discusses symmetry elements of molecules, symmetry operations, and point groups. Gives ten examples of assigning a point group to a molecule. (MLH)

Compares differences in function and behavior of two oxygen-binding proteins, myoglobin found in muscle and hemoglobin found in blood. Describes the mechanism of oxygen-binding and allosteric effect in hemoglobin; also describes the effect of pH on the affinity of hemoglobin for oxygen. (CS)

Provides a detailed discussion of the qualities of glass membrane, solid state, liquid membrane, and other types of ion-sensing electrodes. (CP)

Discusses various topics in color chemistry, including the electromagnetic spectrum, the absorption and reflection of light, additive and subtractive color mixing, and the molecular structure of simple colored substances. (MLH)

Summarizes the main categories of games/simulations and lists games/simulations as to major field (physics, with 23 listed; chemistry, 24; biology, 107), providing information as to address for ordering, category, appropriate age group, number of players, time needed in computer simulation, price. Also listed are books, journals and addresses…

Includes methods for determining melting and boiling points, illustrating the Finkelstein reaction, choosing acid-base indicators, growing perfect NaC1 cubes and "whiskers," bromination of alkenes, using vanadium in the laboratory, preparing phenylamine-copper (II) sulfate (VI) complex, simulating first-order chemical kinetics on a programmable…

Includes methods for demonstrating Schlieren effect, measuring refractive index, measuring acceleration, presenting concepts of optics, automatically recording weather, constructing apparaturs for sound experiments, using thermistor thermometers, using the 741 operational amplifier in analog computing, measuring inductance, electronically ringing…

Describes the chemistry of dyeing, including acid, basic, vat, and disperse dyes. Includes laboratory experiments. (MLH)

Describes eleven laboratory experiments, including the catalytic effect of copper in zinc-acid reaction; a study of the rate of polymerization of some aldehydes; and a demonstration automatic potentiometric titrator. (MLH)

Compares results in organic chemistry during the first year in a polytechnic school with a separate survey of sixth-form achievement. The findings are discussed in terms of the implications for post-A-level chemistry, the debate on chemical nomenclature, and the application of Piagetian concepts to chemistry courses. (Author/CP)

Describes a technique for isolating slime molds from tree bark and outlines projects for working with slime molds in the laboratory. Diagrams of 26 of the more common British species and a key to the Orders of Myxomcetes are given. (CS)