Some observers have suggested that as cognitive psychology became a movement during the 1970s, the intricacies of the phenomena and processes it examined meant it also began to lose cohesion as a field of study.
Iron has a melting point of 1535.0 degrees Celsius or 2795.0 degrees Fahrenheit. It has a boiling point of 2750.0 degrees Celsius or 4982.0 degrees Fahrenheit. Continue Reading.
It was not until about 1200 BC that iron became general for the production of tools because the temperatures needed to process the ore exceeded what most ancient kilns were able to reach. Pure iron has a melting point of 1,535Â°C. The limit of an ancient furnace was about 1,150Â°C.