sections 1-4 Flashcards
temperature
a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object
thermal expansion
an increase in the size of a substance in response to an increase in the temperature of the substance
absolute zero
the temperature at which molecular energy is at a minimum.
heat
the energy transferred between objects that are at different temperatures
thermal energy
the kinetic energy of a substance’s atoms
thermal conduction
the transfer of energy as heat through a material
thermal conductor
a material through which energy can be transferred as heat.
thermal insulator
a material that reduces or prevents the transfer of heat.
convection
the transfer of thermal energy by the circulation or movements of a liquid or gas.
radiation
the transfer of energy as electromagnetic waves
specific heat
the quantity of heat required to raise a unit mass of homo
states of matter
the physical forms of matter, which include solid, liquid, and gas
change of of state
the change of a substance substance from one physical state to another
insulation
a substance that reduces the transfer of electricity, heat, or sound.
heat engine
a machine that transforms heat into a mechanical enery, or work
