||What is it? What are the unique features of the subject?
||Example: What were the unique achievements of the Apollo 11 lunar landing mission?
||How is the subject similar to or different from other members of its class?
||Example: What did the Apollo 11 mission accomplish that previous or subsequent missions did not?
||How much can a subject vary, and how can it vary over time without losing its essential nature?
||Example: What facts does NASA or a conspiracy theorist present as evidence?
||How can you observe the subject? How often can you observe it?
||Example: What pictures, video, or physical evidence do we have regarding Apollo 11?
||How will the subject change over time? How is the subject changing over time?
||Example: How have interpretations of Apollo 11 evolved? What conspiracy theories have been raised since 1969?
||What’s the larger, systems view? In other words, how do the parts of your subject relate to one another? How does your subject relate to other subjects?
||Example: Many web sites and television shows have argued that the Apollo mission was a hoax. contWhy is that? What science was required to carry off the lunar landing and what evidence does NASA have to prove the Apollo mission?