The importance of maintaining a consistent cushion in the injection molding process is universally agreed upon in the molding industry. However, the size at which the cushion should be set is not unanimously established. As such, several “rules of thumb” or “typical” cushion sizes are recommended and used by processors in the industry. These recommended cushion sizes have been deemed acceptable...

It briefly discusses scientific literacy and argumentation in physics teaching. In addition, it adresses a proposal for an investigative teaching sequence (SEI) taken synthesized from the monograph of one authors. Regarding literacy, we sought to start its origin discussion on need build scientifically literate society. Whith regard argumentation, attempt is made seek relationships with use cla...