geography
noun
°The study of the physical structure and inhabitants of the Earth.
°The physical structure of a particular region; terrain.
physics
noun
°The branch of science concerned with the study of properties and interactions of space, time, matter and energy.
"Newtonian physics was extended by Einstein to explain the effects of travelling near the speed of light; quantum physics extends it to account for the behaviour of atoms."
°Of or pertaining to the physical aspects of a phenomena or a system, especially those studied in physics.
"The physics of car crashes would not let Tom Cruise walk away like that."
algebra
noun
°A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.
°The study of algebraic structures.
anthropology
noun
°The holistic scientific and social study of humanity, mainly using ethnography as its method.
ethnology
noun
°The branch of anthropology that studies and compares the different human cultures.