Evaluates the CHEM study topics of kinetic theory of gases, phase changes, chemical bonds, and equilibrium as to the level of cognitive development required for an understanding of each subject. Advocates an assignment of topics within the range of a student's cognitive ability in an individual study format of instruction. (CP)

A presentation of learning experiences involving materials is recommended which reflects the sequence of the developmental stages. This sequence is concrete, concrete-abstract, pictorial-abstract, and abstract. Instructional examples at each level are presented. (JP)

In the experiment discussed, three modes of presenting materials to second grade students were compared. Data analysis showed that the abstract mode was less successful than the others, but there was no clear difference between the manipulative and pictorial modes. (SD)

Provides the instructions to build a homemade calculator that can be used as a reinforcement device to assist primary students in memorizing their addition facts. (MDH)

Provides a series of concepts which may aid in the formation of behavioral objectives and learning experiences for elementary school children. Coping behaviors, decision making, life style, self-development, educational awareness, attitudes and appreciations, and career information are considered integral parts of a career education program with…

Outlines the rationale, resources, and techniques for teaching K-12 physical science via toys. Includes 65 references and a list of 9 mail order suppliers of scientific toys. (MDH)