Suggests a way of distinguishing between the two classes of chemical reactions of the lanthanide series. (CS)

Parents can do a lot to help children learn about science. Ten tips from experts suggest home activities, excursions, learning aids, and TV shows which can help children discover and enjoy science. (IAH)

Discussed is the accuracy of three statements commonly used in chemistry books and in teaching chemistry. (HM)

Listed are chemicals commonly used in the science classroom, including restrictions for classroom use. Based on recommendations of the Association for Science Education. Seven categories of restrictions are imposed, and each chemical listed has one or more restriction. When appropriate, an alternative chemical is suggested. (DS)

It is of critical importance in the Asia/Pacific region to produce quality science books which are attractive and interesting for children and youths and which can also stimulate their interest in science and provide them with accurate scientific knowledge in an easily understandable way. This publication is a report of a training course on book…

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)

Described is the manufacture of a superconductor from a commercially available kit using equipment usually available in schools or easily obtainable. The construction is described in detail including equipment, materials, safety procedures, tolerances, and manufacture. (Author/CW)

The 25th anniversary of Earth Day is 1995. This issue highlights useful, high quality educational materials and other resources that can be used to discuss environmental issues in the classroom. Activities, resources, and teaching materials in this Earth Day issue include: ATLAS 1: Studying Mysteries in the Earth's Atmosphere; Completing the…

Materials designed for teachers and handicapped children in the least restrictive settings are reviewed. Brief descriptions are given for materials on science instruction; arts and humanism; expressive arts; social studies units incorporating dance, music, and the visual arts; and functional and basic skills. (CL)

This resource guide is a source of current information for teachers, principals, administrators, science curriculum specialists, parents, and those involved in systemic reform of science education. These curriculum materials and other resources support inquiry-based science teaching that fosters an understanding of science concepts through…

This compendium deals with the ecology and economic importance of the poplars, willows, hickories, birches, beeches, oaks, elms, nettles, sorrels, docks, and smartweeds growing in New York's Catskills. Provided are keys for identifying each plant to species by flowers, foliage, or winter buds. A line drawing accompanies a summary of basic data…

Described are the design, construction, and uses of two pieces of laboratory equipment. Included are a multipurpose meter, "Calo-pH Meter," and a device for collecting water samples for determining dissolved oxygen content. (CW)

Describes the physics displays at the University of Canterbury (New Zealand), including the facility, static displays, and interactive displays. Discusses the basic philosophy, general principles, and evaluation of the displays. (YP)

Some of the problems concerning the selection of science textbooks are discussed. A specific procedure for evaluating textbooks which uses questioning levels as a criterion is presented. Textbooks are compared with simple statistical methods using this method. (CW)

A method and an apparatus for safely observing sunspots is presented. The McIntosh system of sunspot-group classification is illustrated. Construction and enhancement of the apparatus are discussed. (CW)