THERMDYNAMICS Flashcards
a region of the universe that we direct attention to
SYSTEM
everything outside a system; anything around u can affect u
SURROUNDING
separates the system from its surroundings
BOUNDARY
- open to its surroundings
- matter itself is being shared with its energy to its surroundings
OPEN SYSTEM
matter is not exposed to the surroundings but the energy still moves
CLOSED SYSTEM
- no energy shared
- no exposed matter
ISOLATED SYSTEM
Energy may transfer in the form of ____ or in the form of ____
HEAT
WORK
is the transfer of thermal energy between two bodies that are different temperatures
HEAT
transfer of energy as a result of **temperature difference **
HEAT
absence of heat
COLD
only ____ is transferrable
HEAT
u can’t transfer cold
- direct physical transfer
- movement of heat from a body to another with direct contact
CONDUCTION
movement of heat through air
CONVECTION
movement of heat from the sun to a person/an object
RADIATION
is either be done by the system (-) or on the system (+)
WORK