Describes techniques and equipment intended to both improve laboratory measurements and also form a background for more advanced work by introducing the concepts of electronic and digital circuits. (GS)

Presents the advantages and disadvantages associated with the canned computer lab from the educational and software aspects. Summarizes two years of experience with canned labs and gives an example of a program and a typical student output. (GS)

Describes a method for the measurement of the velocity of sound in various liquids based on the Raman-Nath theory of light-sound interaction. Utilizes an analog computer program to calculate the intensity of light scattered into various diffraction orders. (CP)

Two laboratory investigations are described: (1) staining chromosomes in root tips and (2) demonstrating pollen tube growth. (LS)

Describes secondary and higher chemical education in Canada, including credit hour requirements, types of curricula used, and administrative details. The control of education is considered the right of each of the 10 provinces while science policy and the funding of research is largely controlled by the federal government. (MLH)

Describes an undergraduate laboratory experiment in which the position of the double bond in an alkene is determined by identifying its ozonolysis products. This experiment can also be used to introduce the technique of gas chromatography. (MLH)

Three brief articles present (1) the use of adrenaline related to the preparation and properties of amines; (2) a non-lecture approach to organic chemistry; and (3) the use of comic books in teaching chemistry. (RH)

Describes an undergraduate organic chemistry laboratory experiment which utilizes the Gabriel Synthesis to demonstrate the acidity of imides and to provide an example of nucleophilic substitution reactions. The experiment also demonstrates the laboratory techniques involved in simple and steam distillation, filtration, extraction, and…

Describes an undergraduate biochemistry experiment which involves the preparation and kinetics of an oxidation-reduction enzyme system, methemoglobin reductase. A crude enzyme extract is prepared and assayed spectrophotometrically. The enzyme system obeys Michaelis-Menton kinetics with respect to both substrate and the NADH cofactor. (MLH)

Proposes the use of problems of the everyday world to motivate students to master basic physical principles. Cites the example of conversion of solar energy by a photovoltaic cell as a source of topics in electricity and solid state physics. (CP)

Gives highlights of two symposia on chemical education held in Madrid in September, 1975. Topics included the use of educational technology, teacher training, and curriculum. (MLH)

Describes an undergraduate chemistry experiment in which the concentration of chloride, fluoride, or bromide ions can be quantitatively determined by titrating with mercury (II) ions. (MLH)

Describes methods for teaching the mole concept, including analogous calculations involving household objects, and the use of a cardboard wheel showing the interrelationships between moles, molecular weight, and the gaseous molar volume. (MLH)

Describes a biochemistry laboratory course in which students worked in groups; each group selected three of nine possible experiments. Each student was responsible for using the chemical literature to obtain detailed procedures for performing the experiments, and submitted formal reports on each experiment. (MLH)