Here are three articles designed to help teachers teach the basic subjects--science, mathematics, and language arts. (Editor/RK)

A group of students from grades four through twelve were tested on ten binary operations in four truth conditions. It was found that propositional operations which had greater inclusiveness or breadth of concepts were more difficult to comprehend. (MLH)

Describes a number of activities relating to the observation and study of trees. (SL)

Collections and classification activities are the topic of this article. Ways to structure an outdoor collecting venture are discussed. Once the materials have been collected, there are suggestions for introducing young children to the task of classifying their rocks, leaves, shells, and other collected items. (MA)

Presented is a unit composed of activities for teaching weather. Topics include cloud types and formation, simple weather instruments, and the weather station. Illustrations include a weather chart and instruments. A bibliography is given. (MA)

Gives some learning activities for teaching elementary school students the basics. (RK)

Use ice cream activities to flavor your spring curriculum with fun. (Editor)

Contains selected remarks of William J. Bennett, Secretary of Education, on science education in elementary schools. Addresses the need for a revolution in elementary school science and advocates a hands-on discovery approach to teaching science. (ML)

Explains how a flashlight can be used to introduce a unit on blood, muscles, and bones for elementary science students. Describes activities which focus on anatomical features. Includes a diagram of a paper hand which is used in one of the investigations. (ML)

Provides suggestions for activities that focus on earthworms. Includes observational exercises on earthworms' reactions to light and touch. (ML)

Explains how to establish and maintain a woodland terrarium. Points out how this environment can be used to study animal interaction and can serve as a focal point for learning about a variety of elementary science concepts. (ML)

Presents activities and experiments that can be performed with mirrors to illustrate the nature and behavior of light. Includes diagrams, directives and investigative questions. (ML)

Presents seven fully developed library media activities designed to be used in conjunction with specific curriculum units in health, reading/language arts, science, and social studies. Objectives, curriculum objectives, resources, instructional roles, activities and procedures, evaluation, and followup are described for each activity. (MES)

Provides eight fully developed library media activities to be used in conjunction with specific curriculum units in health, reading/language arts, science, and social studies. Objectives, curriculum objectives, resources, instructional roles, procedures, evaluation, and follow up are described for each activity. (MES)

Outlines objectives, resources, instructional roles, procedures, evaluation, and follow-up for six fully developed library media activities. Activities use the following topics to teach library skills: (1) drug abuse; (2) notetaking; (3) tales of the sea; (4) ocean animals' habitats; (5) prehistoric animals; and (6) international currency. (MES)