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 presents the cell, structures & functions of the cell's organelles.

Objective: To provide the students with the names, structures and functions of the organelles of the cell and to show their universality as well as the link to specialization.

Activity: Using electron micrographs of real cells, a 3D model, and the metaphor that links the organelles to the parts of a city, the teacher presents the STRUCTURES and FUNCTIONS of the cell's organelles.

Assessment: Quality of students' notes; their ability through verbal checking to identify organelles and their functions.