Describes a lesson designed to help young students conceptualize cholesterol and its effects on the body. Provides young students with a concrete way to understand how cholesterol builds up in blood vessels and restricts blood flow. Includes a simple illustrative experiment for children to perform themselves. (CW)

Describes five computer software packages; four for MS-DOS Systems and one for Apple II. Included are SPEC20, an interactive simulation of a Bausch and Lomb Spectronic-20; a database for laboratory chemicals and programs for visualizing Boltzmann-like distributions, orbital plot for the hydrogen atom and molecular orbital theory. (CW)

Describes two chemistry demonstrations including a demonstration of chemical inhibition and "The Rayleigh Fountain" which demonstrates the polarity of the water molecule. Provides instructions and explanations for each demonstration. (CW)

Reports on the results of the Engineering Manpower Commission's 1986 survey of engineering enrollments, comparing them to the previous ten years of surveys. Provides tables of fall 1986 engineering enrollments categorized by curriculum, women, minorities, foreign nationals, schools, and by all students. (TW)

Examines college (introductory level) biology textbooks commonly used since 1950. Reports trends in new textbooks including length, graphics and content. Makes projections of future trends. Identifies major issues facing colleges related to biology textbook users. (CW)

Presents information about mammals that have hooves, including definitions and descriptions of their characteristics. Contains teaching activities such as "Build a Paper Pachyderm,""Do the Funky Trunk Dance,""A Horse of a Different Color," and "Horns and Antlers." A reproducible quiz is also provided. (TW)

Presents information about rodents and lagomorphs, including definitions and the characteristics of these animals. Contains teaching activities such as "Habitats for Hoppers,""Cartoon Gnawers," and "The Great Rodent Expedition." Reproducible handouts for two of the activities are provided. (TW)

Presents information about insectivores, including definitions and characteristics of shrews, moles, hedgehogs, and tenrecs. Contains descriptions of the teaching activities "Little Starnose" and "You and a Shrew." A reproducible worksheet is provided for use in "You and a Shrew." (TW)

Presents information on sea mammals, including definitions and characteristics of cetaceans, pinnipeds, and sirenians. Contains descriptions of the teaching activities "Whale Music,""Draw A Whale to Scale,""Adopt a Sea Mammal," and "Sea Mammal Sleuths." (TW)

Discusses the need for quality computer software for science instruction. Argues that very little software is currently available that uses the computer's capabilities to provide quality science instruction. Describes microcomputer tutoring systems under development at the University of Pittsburgh that are intended to significantly add to the…

Describes a chemistry lab experiment in which a microcomputer is used to graph data. In the experiment a catalyst is used to decompose a commercial bleach. The computer's game port is used with a potentiometer to plot the volume of oxygen gas produced versus elapsed time. Courseware information is included. (TW)

Presents seven library media activities to be used with specific curriculum areas: "Into the Past with Historical Fiction" and "Critical Reading to Figure It Out" (Reading and Language Arts); "Electricity Experiments,""Classifying Insects," and "Fish" (Science); and "Citizenship and the…

Explains how a Forensic Science and Criminology unit can help in the development of science process skills, mastery of laboratory techniques, and assist in value clarification. Examples of investigations and activities that have been successful with fifth- and sixth-grade students are included. (ML)

Presents criteria for having students make their own games which are used by the class to review material covered in life science. Students are required to use recycled materials in producing the game and its accessories. Samples of some of the games produced are included. (TW)

Describes a study in Nigeria comparing achievement in biology with a student's preference for cooperative or competitive learning situations. Proposes that rural children prefer cooperative learning strategies while urban children prefer competitive ones. Presents data proposing that learning preference (cooperative vs competitive) directly…