Table 3.

Messages generated during an exercise

RPS type	Message
1	You should pay attention to the combination of reactants in the phenomenon of [Name of phenomenon].
2	You should pay attention to general relationships among [Property1]…[Property n].
3	You should pay attention to the numerical relations; [Formula].
4	Learn [Property] of [Class of Material].
5	You should pay attention to the conditions for applying knowledge to a problem.
6	You should pay attention to both commonness and differences among the natures of materials.