Chapter 1: Introduction to Physics. 1.1 Physics and the scientific method. 1. Fill in the blank with the correct word or statement. Magnetism Hypothesis Mechanics Science Thermodynamics Optics a. is an explanation that is based on prior scientific research or observations and that can be tested. b. Mirrors, lenses, color and astronomy deals with c. Electromagnetism is a branch of physics which deals with electricity and d is an organized way of thinking about nature and understanding how it works. e. The study of heat, temperature, and energy transfer refer to F . The study of motion and forces, including concepts such as velocity, acceleration, and gravity, falls under Il. Answer the following questions. 1.Defne inference. 2.Define independent variables. 3.Choose one branch in physics and list one real - life application of it