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.

Instruction on motion in a curved path and product-moment force

Objective: To teach centrifugal and centripetal force as they affect motion of a body in circular motion.

Activity: Lecture on motion in a curved path. Discuss how students feel when a car they are riding in moves around sharp curves in a road. Ensure students have verbal and graphic representation of differences between centripetal and centrifugal forces. Discuss/identify product-moment force as another example of rotational/circular motion.

Assessment: Definition, spelling, and scientific literacy. Check student ability to use these terms in a sentence in context.