Investigates whether placement of pictorial adjuncts before or after related textual material enhances instructional effectiveness for learners of varying ability. Junior high students (N=84) were randomly assigned to one or three treatments in which a diagram of the hydrologic cycle was inserted before, after, or omitted from the text. (CS)

Described is a resource idea developed for the teaching of oceanography to junior high students. Sand is studied to help make the study of beaches more relevant to students who may have never seen an ocean. Sand samples are brought into the classroom from various coastal cities, then analyzed and compared. (Author/DS)

Presents an evaluation of a new edition of the Science Curriculum Improvement Study--American Science and Engineering's SCIS II--with a chart comparing it to Rand McNally's SCIIS and the original SCIS program. Also evaluated are three secondary series or kits, including "Holt Life Science/Earth Science/Physical Science." (SJL)

Describes two elementary science curriculum materials. Reading about Science Skills and Concepts is a program containing a series of seven supplementary high-interest low-level science readers for upper elementary and middle school students. Beginning Everyday Science Early outlines why teachers should teach science to young children, teacher…

Lists advantages in the use of the blue gourami in laboratory experiments on reproduction and embryogenesis. Materials and procedures for maintaining and spawning blue gouramis are provided. Also includes details on microscopic examination of developing embryos and histological techniques for microscope slide preparation. (CS)

Describes the phenomenological and microscopic aspects of solid-state diffusion in an electric field and presents a Monte Carlo method which is used to stimulate an atomistic model of diffusion in an electric field. The Nernst-Einstein relation is also discussed. (HM)

Analyzes five biology textbooks in 11 categories identified as current controversial issues and biosocial problems. Quantitative ratings for each category, based on total number of textbook pages, are presented for Darwinian evolution, disease states, drugs, environment, human genetics, human reproduction, man in nature, origin of life, population…

Describes the status of teaching physics in the polytechnic institutions in the United Kingdom. The article also discusses: (1) development of courses in polytechnics; (2) types of physics courses; (3) role of physics departments; and (4) trends in teaching physics. (HM)

Describes physics project of the sixth-year of secondary schools in Scotland. The article also discusses: (1) aims of the Scottish certificate of sixth-year studies (CSYS); (2) teacher's role; and (3) method of teaching physics projects. (HM)

Describes a science activity using gummy worms to help primary students develop the mathematical skills of measurement concepts, units of measure, estimation, and graphing needed for science learning. Groups of two begin by estimating the number of gummy worms in their package and identifying the colors they expect to find. Individual worms are…

Describes ways of using CD-ROM technology for the benefit of blind and visually impaired library patrons. Science, reference, and American historical documents that can be converted to braille, large print, or voice output from CD-ROMs are described, and hardware, software, and staff considerations are discussed. (LRW)

Discussed are the properties, chemistry, generation of precursors, and use in organic synthesis of this isotope of carbon. The use of carbon-11 in research is emphasized. Pitfalls and possibilities are described. (CW)

Presented is a poster and article which details the process of obtaining minerals from the earth and refining them for use. On the reverse is a chart of helpful mineralogy information. A list of four information resources is included. (CW)

Directions for the construction of this apparatus are presented. Materials and procedures for its use are discussed. The behavior of particles in the apparatus is described. (CW)

The use of the Accu-Weather database system in a junior high school classroom is described. Costs, equipment, and information received are discussed. Two software packages designed for use with meteorological data and Accu-Weather are highlighted. Availability information and a description of the services provided are included. (CW)