Chapter 14 Flashcards
(18 cards)
A measure of the average kinetic energy of the individual particles in an object is called what?
Temperature
The total energy of all the particles in a substance is called?
Thermal Energy
Water freezes at 32 degrees on which temperature scale?
Farenheight
Any temperature on he Kelvin scale can be changed to Celsius by doing what?
By subtracting 273
The more particles a substance has a a given temperature the more what is has?
Thermal Energy
The movement from a warmer object to a cooler object is called?
Heat transfer
Heat, like work, is an energy transfer measured in?
Thermal Energy
What is the SI unit of heat?
Joules
If thermal energy is transferred from object A to object B, the temperature of object A is higher or lower?
Higher
The Joule per kg-kelvin is the SI unit for?
Watt
What is specific heat?
The amount of heat it takes for a specific object to heat up.
The sun transfers thermal energy by the process of what?
Radiation
What is Conduction?
The transfer of energy by electromagnetic waves.
What is Convection?
When heat is transferred by the movement of current within a fluid.
What is Radiation?
When an object is heated from the air. The air is heated by another object.
A material that does not conduct heat well is called an?
Insulator
The temperature at which a liquid changes to a solid is the?
Absolute Zero point.
Vaporization that takes place only at the surface of a liquid is called?
Evaporization.