This instructional package was designed to develop a basic understanding of solar energy systems. It consists of seven instructional units, a glossary and a collection of transparency masters for use with the units. Each unit presents: (1) unit objective and specific objectives; (2) background material for student reading; (3) student assignment sheet; (4) student activities; (5) a unit test for mastery; and (6) answers to the assignment sheet and test. Units include topics such as: (1) importance of sun angle; (2) collector design; and (3) solar heating systems. (MP)