chapter review: thermal energy
sollar collector
A device that absorbs radiant energy from the sun is a __________.
second law of thermodynamics
According to the ________ , heat never flows spontaneously from a lower. to a higher temperature.
Insulators
Materials in which thermal energy does not move easily are _________.
Temperature
The _______ increases when the average kinetic energy of the particles in a material increases.
Convection
The transfer of thermal energy by movement of matter is _______.
Conduction
Thermal energy is transferred through matter by direct contact of particles by _____.
heat
Thermal energy that flows from a higher to a lower temperature is _____.
Radiation
Thermal energy transfer that does not require matter is ______.
thermal energy
________ is the total kinetic and potential energy of the particles in a material.
heat engine
a device that changes thermal energy into mechanical energy is called a _________.
