A variety of assessment strategies can be implemented in this activity. Student's oral responses can be used to informally assess student understanding of the concepts. Other assessment techniques may include the following:

This is an effective assessment technique because the student must understand the processes in order to find a way to describe it to a younger, less knowledgeable individual. Not only do students have to understand the concepts, but they also must use their own vocabulary to explain it. Additionally, the teacher can identify any misconceptions students may have developed during the lesson.

This assessment strategy will provide students with further practice examining rock samples and applying their understanding of differences in crystal structure of intrusive and extrusive igneous rocks.