Physics 9 Flashcards
A measure of the average kinetic energy of the particles in a substance
Temperature
The energy of a substance due to both random motions of its particles and to the potential energy that results from the distances and alignments between the particles
Internal Energy
The state in which two bodies in physical contact with each other have identical temperatures
Thermal Equilibrium
The energy transferred between objects because of a difference in their temperatures
Heat
The quantity of heat required to raise a unit mass of homogenous material 1K or 1 °C in a specified way given constant pressure and volume
Specific Heat Capacity
An experimental procedure used to measure the energy transferred from one substance to another as heat
Calorimetry
The physical change of a substance from one state to another at constant temperature and pressure
Phase Change
The energy per unit mass that is transferred during a phase change of a substance
Latent Heat
______ or ______ energy usually changes temperature.
Adding, removing
________ is proportional to the kinetic energy of atoms and molecules.
Temperature
_________ is meaningful only when it is stable.
Temperature
_______ expands as its temperature increases.
Matter
________ thermometers require fixed temperatures.
Calibrating
_________ units depend on the scale used.
Temperature
_____ is transferred between substances as heat.
Energy
The _______ of energy as heat altars an object’s temperature.
Transfer
_____ has units of energy.
Heat
The ____ of thermal conduction depends on the substance.
Rate
________ and ________ depends on the substance.
Convection, radiation
_______ energy is conserved.
Total
___________ is used to determine specific heat capacity.
Calorimetry
_______ _____ is energy transferred during phase changes.
Latent Heat
Adding or removing ______ usually changes temperature.
Energy
Temperature is ________ to the kinetic energy of atoms and molecules.
Proportional
Temperature is meaningful only when it is ______.
Stable
Matter _______ when its temperature increases.
Expands
Calibrating _________ requires fixed temperatures.
Thermometers
Temperature units depend on the _____ used.
Scale
Energy is transferred between substances as _____.
Heat
The transfer of ______ as heat alters an object’s temperature.
Energy
Heat has the _____ of energy.
Units
The rate of ______ _______ depends on the substance.
Thermal conduction
Calorimetry is used to determine ______ ____ ______.
Specific Heat Capacity
Latent heat is ______ transferred during phase changes.
Energy
Adding or removing energy usually changes ________.
Temperature
Temperature is proportional to the ______ ______ of atoms and molecules.
Kinetic Energy
Calibrating thermometers requires ______ temperatures.
Fixed
The transfer of energy as heat alters an object’s ________.
Temperature
Heat has the units of ______.
Energy
The rate of thermal conduction depends on the ________.
Substance
Total energy is _______.
Conserved
Latent heat is energy transferred during _____ ______.
Phase Changes
Temperature is proportional to the kinetic energy of ______ and _________.
Atoms, molecules
Matter expands as its temperature ________.
Increases
Calibrating thermometers requires fixed ___________.
Temperatures
