Among three levels of chemical representation, the sub-microscopic level is the most difficult to learn by students. To solve the problem, it is assumed that the concept of the discontinuous nature of matter or particle concept should be mastered initially by students before they learn sub-microscopic representations of further chemical phenomena.…

Considers the development of a computer program for interactive, screen-oriented problem solving. Provides theoretical background and program development to determine internal energy, heat capacity, and entropy. Lists the program written in BASIC for Apple II computers. (MVL)

New computer software for physics, mathematics, computer science, and statistics courses at North Carolina State University and in some high schools allows students to solve problems on the computer, recording every answer submitted to provide faculty with a record of student performance, and providing immediate feedback to students. Computerized…