Really enjoy the way that Buehl talks about reading, he stresses how much identity and perspective affect the way that readers are able to interpret texts. Reading is a very difficult and intricate process that is essential for learning to take place. Teachers in science must teach skills to interpret the information, so that it can be made accessible to the students.
Scaffolding relies on feedback from experts, both positive and negative. How much scaffolding is required? Are we supposed to give clues or make connections for the students or are we supposed to provide them with resources to discover the information? Or are we designing lessons and an environment that allows the students to scaffold each others' learning?