Thirty-eight energy related classroom activities for sixth to twelfth grade are included in this document. The activities are based on the following conceptual themes: (1) energy is basic; (2) energy's usefulness is limited; (3) energy exchanges affect the environment; (4) energy conservation is essential; and (5) people can develop and share energy in the future. Major goals of these activities include developing decision-making skills and emphasizing energy conservation. The activities stress awareness, concept development, and application and are flexible to encourage student exploring, hypothesizing, and decision-making. The interdisciplinary importance of energy education, especially between social studies and science, is emphasized. Each activity sheet includes: (1) a title; (2) subject and grade level designations; (3) a description of the activity; (4) learning objectives; (5) required materials; (6) approximate time required; (7) a suggested learning cycle; (8) evaluation procedures; and (9) follow-up or background information. Pictures, maps, games, puzzles, and charts are included. (JHP)