response: Physics encompass a range of topics. There's studies about a variety of topics from matter to energy and force.
original_response: I have taken more than three so I guess I know a little about physics, which involves the study of matter and its motion and behavior, among other things
history: I have 3 physics classes this year and I know nothing about physics!
knowledge: Physics (from , from ''phýsis'' ''nature'') is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.