21.   In addition this unit could offer an excellent introduction to the use of evidence and to the key question How do we know?

22.   These key questions offer a lead in to the investigation of a topic.

23.   Pose the key questions or ideas which you perceive to underpin this topic of study.

24.   When was it written?

25.   Constantly ask yourself what key questions reading this book is going to help to answer.

26.   The concept of the key organising question, or the unanswered question, is very helpful both at the planning stage and during the project itself.

27.   This raises some interesting records management and legal issues all of which flow around the key question of the status of an e-mail message as a record.

28.   Alternatively, pupils could be encouraged to investigate a fundamental issue of belief underlying the Catholic response to the above key questions.

29.   Who bears the cost, the vendor or the purchaser?

30.   How can the liability be avoided?