Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
The transfer of heat by direct contact between two objects is?
|
conduction
|
|
The transfer of heat by electromagnetic waves is?
|
radiation
|
|
Latent heat given off by a substance as it changes from a liquid to a gas is called heat of?
|
vaporization
|
|
In thermodynamics, the amount of disorder in a system is called?
|
entropy
|
|
The first law of thermodynamics states that the total of the mass and energy in a system is?
|
constant
|
|
The process of a gas returning to the liquid state is called?
|
condensation
|
|
A device that measures the change in the thermal energy of a material is called?
|
calorimeter
|
|
Name the three factors affecting the amount of thermal energy of an object.
|
1.Temperature of the object
2.Mass of the object 3. Specific heat of the substance |
|
How do the molecules of an object move as the object is heated?
|
more rapidly
|
|
What is the term for the amount of heat that must be added to a certain mass of a particular substance in order to raise its temperature by 1 degree?
|
specific heat
|
|
What temperature scale assigns the value of 0 degrees to the freezing point of water and 100 degrees to the boiling point?
|
celsius
|
|
What is the most scientific principle showing the necessity for an act of creation?
|
the second law of thermodynamics
|
|
What is the "hidden" heat absorbed or released when a substance undergoes a change of state?
|
latent heat
|
|
When a liquid changes into a solid, the temperature at which this occurs is called
|
freezing point
|
|
Heat does not exist unless ________ is being transferred.
|
thermal energy
|
|
What do we call a special state of matter that exists where temperatures are too high for matter in its ordinary state to exist?
|
plasma
|
|
The transfer of heat through moving fluids is called?
|
convection
|
|
the temperature scale which measures absolute temperature
|
Kelvin
|
|
The internal energy of an object due to the random motions of its individual molecules is known as?
|
thermal energy
|
|
Liquids which evaporate rapidly are said to be?
|
volitile
|
|
The quantity of heat required to raise the temperature of 1 gram of water 1 degree C; based on the specific heat of water
|
calorie
|
|
A device that measures temperature is called?
|
a thermometer
|
|
The branch of physics that deals with heat energy is called?
|
thermodynamics
|
|
The point at which the amount of liquid water changing into a gas equals the amount of water vapor returning to the liquid state
|
saturation
|
|
The heat required to change a given mass of a solid already at its melting point into a liquid without changing its temperature is called the heat of_____________?
|
fusion
|