Heat and Heat Technology Sec 1-4 Flashcards
Tmeperature
A measure of how hot, cold something is
Thermal Expansion
An increase in the size of a substance in response to an increase in the temp of the substance
Absolute Zero
The temp at energy which molecular energy is at a minimum
Heat
The energy transferred between objects that are at differ temps
Thermal Energy
The kinetic energy of a substances 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 movement of a liquid or a gas
Radiation
The transfer of energy as electromagnetic waves
Specific heat
The quantity of heat required to raise a unit mass
States of Matter
The physical forms of matter
Change of State
The change of a substance from one physical state to another
Insulation
A substance that reduces the transfer of electricety
Heat engine
A machine that transforms heat into mechanical energy