Describes the operation and use of the scanning electron microscope as an important tool for ocean scientists. Numerous electron micrographs are included. (MA)

In the past year micropaleontology has added new understandings of early protistan history as well as contributed to the deciphering of the history of the world's oceans. Studies of formaminifer a have been especially important. (MA)

Reviews publications of the past year on the following topics: theory and principles, regional geology, Precambrian terrains, and studies of particular interest. (MA)

Discusses the origin and existence of sediment layers in the Atlantic Ocean. (CP)

A description and plans for a working model to demonstrate rotational slope failure are presented. (MR)

Presents an evolutionary scheme for the physical, chemical, and biological origins of life. The molecular factor is the field of analysis. The need for a reconciliation of science and philosophy is indicated. Extensive references are given. (MA)

Biometeorology is the study of the relations between meteorological factors, physico-chemical systems and living organisms, and the indirect effects of the physical, chemical, and physico-chemical environments of the earth's atmosphere and of similar extraterrestrial space upon physico-chemical systems and living organisms. This article discusses…

Describes an itinery for a four day camping trip into the Olary district of South Australia. Provides numerous geologic activities. (CP)

Describes a simple activity designed to show the effects of leaching and evaporation on salts in the soil. (CP)

Reviews current ideas and research findings related to the flow patterns of mantle rocks. Highlights the components of the two-layer convection and whole-mantle models of mantle flow. Proposes that mantle flow is the key to understanding how the earth has cooled and chemically evolved. (ML)

In preparation for the Voyager flybys in 1989, the pace of ground-based investigations of the moons of Uranus, Neptune, and Pluto has quickened considerably. Information derived from these investigations is presented. (JN)

Included are reviews of 56 books related to science. Each review includes the level, subject, type of book, cost, and publishers English address. (SL)

Presented is a review of the activities, council meetings, open sessions, and field excursions offered at the 25th International Geological Congress held August 16-25, 1976, Sydney, Australia. (SL)

Presented is the index to The Physics Teacher journal for January-December 1976 (Volume 13). Index is by subject and by author. (SL)

The objective of this study was to investigate how two application lessons at the end of an earth science curriculum contributed to two different types of classroom: generative and authoritative. This study used Vygotsky's views to interpret earth science learning in the elementary classroom. The research questions were: How do fifth grade…