Provides a review of new television and film equipment for use in the classroom. (DF)

Protozoa inhabiting the rumen of large grazing animals can be used to illustrate symbiotic animal associations. Gives a key to the ciliates most commonly found, several drawings, and a chart relating rumen fauna to the phylogenetic tree of the hosts. (EB)

Describes use of a shoe box containing assorted elementary school science materials in grades one through six to motivate children and to encourage discovery learning. (JM)

Describes first grade science activity using soda straws, piNs, blocks of wood, paper clips, and washers as an introduction to weights and measures. Children worked independently in a problem solving manner with materials and recorded results by writing, drawing or tape recording. Varying student approaches, responses, and conclusions are…

Provides instructions for building an inexpensive apparatus that measures the thrust of a model rocket engine as a function of time. (CS)

The author appraises the new materials for ages 9-11, "Nuffield Combined Science Themes for the Middle Years," and reflects on teaching tactics for the 1980s. (Editor/SJL)

The lack of "Canadian content" in Canadian public school textbooks can be more easily explained by changing national educational goals than by foreign ownership of the publishing industry. Science textbooks are used to illustrate. (SB)