Chapter 8 Flashcards
What is a measure of how hot or cold something is?
temperature
What is an increase in the size of a substance in response to n increase in the temperature of the substance?
thermal expansion
What is the temperature at which molecular energy is at a minimum?
absolute zero
What is the energy transferred between objects that are at different temperatures?
heat
What is the kinetic energy of a substance’s atoms?
thermal energy
What is the transfer of energy as heat through a material?
thermal conduction
What is a material through which energy can be transferred as heat?
thermal conductor
What is a material that reduces or prevents the transfer of heat?
thermal insulator
What is the transfer of thermal energy by the circulation or movement of a liquid or gas?
convection
What is the transfer of energy as electromagnetic waves?
radiation
What is the quantity of heat required to raise a unit mass of homogeneous?
specific heat
What is the physical forms of matter, which include solid, liquid, and gas?
states of matter
What is the change of a substance from one physical state to another?
change of state
What is a substance that reduces the transfer of electricity, heat, or sound?
insulation
What is a machine that transforms heat into mechanical energy, or work?
heat engine