Holt Physics Questions with 100%Correct answers

What is the goal of physics? - to use a small number of basic concepts, equations, and assumptions to describe the physical world physics a science that deals with matter and energy and their interactions thermodynamics - the branch of physics concerned with the conversion of different forms of energy What are two subjects within the field of thermodynamics? - heat and temperature What are some examples of thermodynamics? - melting and freezing processes, engines, and refrigerators What are subjects within the field of mechanics? - motion and its causes, interaction between objects What are some examples of mechanics? - falling objects, friction, weight, spinning objects optics - the branch of physics that studies the physical properties of light What are some examples of optics? - mirrors, lenses, color, astronomy electromagnetism - a branch of physical science that deals with the physical relations between electricity and magnetism Examples of electromagnetism - electrical charge, circuitry, permanent magnetics, electromagnets