Examines problems that occur with the vocabulary used in physics textbooks related to heat and energy. Discusses the concepts of thermal energy and temperature, conservation of energy laws, and the first law of thermodynamics. (MDH)

Examines problems that commonly appear in the definition and discussion of work in physics textbooks. Presents the work-energy theorem, provides examples contradicting erroneous statements often found in textbook, and discusses the inconsistent terminology utilized with respect to force and work. (MDH)

Briefly describes the educational situation in the Philippines and the lack of materials available. Outlines the development of a national physics curriculum combining aspects of PSSC and HPP courses. Teacher training programs were developed to implement the curriculum. (TS)

Examines inconsistencies in science textbook discussions of vector quantities and force. Provides illustrations of textbook inconsistencies related to Newton's laws of motion and the concepts of centrifugal and coriolis force. (MDH)