Physicist III researches subjects such as mechanics, heat, light, sound, electricity, pneumatics, magnetism, and radiation. Develops laws and theories of physics for their application to specific industries and fields. Being a Physicist III describes and illustrates observations and conclusions in mathematical terms. Devises procedures for physical testing of materials. Additionally, Physicist III conducts instrumental analyses to determine physical properties of materials. Requires a master's degree. Typically reports to a supervisor or manager. The Physicist III contributes to moderately complex aspects of a project. Work is generally independent and collaborative in nature. To be a Physicist III typically requires 4 to 7 years of related experience.