1.Present contrived experiences and their various forms by means of a graphic organizer.
2. Compare a model and a mock up by the use of a Venn diagram.
3. Illustrate with examples the five (5) reasons why we make use of modes, mock ups, specimens and objects given above.
We use models, mock ups, specimens and objects to:
1. Overcome limitations of space and time
2. To “edit” reality for us to be able to focus on parts or a process of a system that we intend to study
3. To overcome difficulties of size
4. To understand the inaccessible
5. Help the learners understand abstractions