1. Can you as a teacher really teach students what you know? Is it possible for them construct the same kind of models that you do? 2. Do carpenters learn from their hammers, saws, levels, and other...

1. Can you as a teacher really teach students what you know? Is it possible for them construct the same kind of models that you do?

2. Do carpenters learn from their hammers, saws, levels, and other tools? Can they learn anything about them without using them? Do they learn about carpentry with their tools?