Provides directions for setup and performance of two demonstrations. The first demonstrates the principles of Raoult's Law; using a simple apparatus designed to measure vapor pressure. The second illustrates the energy available from alcohol combustion (includes safety precautions) using an alcohol-fueled missile. (JM)

Discusses a school program at the student laboratory in the Vancouver Aquarium. Includes descriptions of several stations in the laboratory (such as seashore ecology, protective mechanisms) and the associated student investigations. (JN)

Discusses the culturing of microorganisms as a laboratory activity emphaszing the growth of microorganisms in food. Provides background and safety information, procedures, and additional ideas. The complete unit (teacher's guide, student worksheets, evaluation and assessment, and resources for students and teachers) is available from the author.…

Describes the Monthly Data Grapher, a microcomputer program which helps visualize data to discern patterns and which is suitable for use with elementary school children. Some of its uses are noted and the microcomputer program itself is included. (MBR)

Describes a unit on seeds designed to introduce students to their scientific and nutritional uses. Unit activities are easily done, employ a variety of process skills, and can be used at various grade levels. Suggests field trips to gather seeds, seed sprouting, and making cookies out of various whole grains. (JM)

Provides materials needed and procedures to illustrate the reversible color changes in certain organic acids on bases due to changes in pH. The technique employs three indicators which are colorless in acidic solution but form primary colors in basic solutions. Also discusses the free energy curve presented in many textbooks. (JM)

Presents a mini unit to help children critically evaluate opinions they hold about maligned animals. This involves: asking students to list animals they disfavor, having students monitor television programs that treat animals disrespectfully, and forming "public relations" teams to support and promote a disliked animal. (BC)

Describes a class project in which students determine the best brand of paper towel in several categories. The activities and experiments completed during the project foster observation, measuring, collecting, data evaluation, writing, and mathematics skills. (BC)

Describes a saltwater aquarium design that uses hermit crabs, sea anemones, sea snails, and plants to create an experimental marine environment. Procedures for setting up the tank, techniques for controlling salinity and introducing animals to the environment, and student activities are discussed. (BC)

Fish painting can be used to introduce basic and advanced subject-concepts, especially with students for whom tactile skill development is of particular importance. Materials, methods, and hints are presented along with a diagram of the painting procedure. (BC)

A science laboratory was developed for use by kindergarten through sixth-grade students. The operation of and the types of science activities used in this laboratory are described. (JN)

Discusses the nature of toxic substances, examining pesticides and herbicides, heavy metals, industrial chemicals, and household substances. Includes a list of major toxic substances (indicating what they are, where they are found, and health concerns) and a student activity on how pesticides enter the food chain. (JN)

Discusses results from a survey of teachers and students in 133 schools concerning uses of fieldwork in biology. These results (given for A-level and pre-A-level responses) focus on the importance, location, times, and types of fieldwork, and student attitudes toward fieldwork. (DH)

Advocates humane education as a natural for special education students, most of whom show exceptional abilities and interest in relating to animals. Several programs are described including: learning working skills, reverse mainstreaming, and writing skill development. Teachers report many side benefits and success with a wide range of grade…

Materials needed and procedures for conducting two activities are provided. The first investigates drops of a liquid which float on water in a watchglass resting on top of a loudspeaker. The second investigates electromagnetic phenomena. (JN)