Provide "acknowledged body of knowledge" related to the concept. Emphasize the most significant aspects of the concept in an organized, organic manner. Present information sequentially so students see continuity. Draw attention to important, discrete details; don't swamp students with myriad facts.

Teacher lectures.

Objective: To enhance knowledge of subject matter. To increase note-taking and reading skills.

Activity: Teacher lectures on: Use of energy in appliances, energy efficiency ratio, calculating the energy use of an appliance, home heating, efficiency in appliances, lighting, home insulation, American life styles. Students read textbook chapters.

Assessment: Quality of student questions, teacher verbal checking for understanding.