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DICKSON Ch 2 Review

homwork

QuestionAnswer
A change of state from a solid to a liquid melting
A change of state from a liquid to a solid freezing
A change of state from a gas to a liquid condensation
A change of state from a liquid to a gas evaporation
A change of state from a gas to a solid without going through the liquid phase deposition
A change of state from a solid to a gas without going through the liquid phase sublimation
Stored energy is _____ energy potential
Energy in motion is ______ energy kinetic
melting requires a energy to be ______ to the substance added
evaporation requires energy to be _____ from the substance. removed.
The ______ kinetic energy of the particles in a substance is measured by temperuature average
__________ energy is the potential and kinetic energy of a substance. Thermal
The temperature when a solid changes to a liquid is called the _____ _____. melting point
The temperature when a liquid changes to a solid is the _____ ______. freezing point.
Adding or removing energy from a substance results in a change of ______. state
A pure type of matter is called a _________. substance
Anything with a mass and a volume is called ____. matter
Particles move ______ when thermal energy is added to the substance. faster
Particles move ______ when thermal energy is removed from the substance. slower
matter that has no definite shape or definite volume gas
matter that has a definite volume but no definite shape liquid
matter that has a definite shape and definite volume solid
When a liquid evaporates, it becomes a vapor
When we see the state of matter on the periodic table, it is the state at _____ _____. room temperature.
When a substance is heated, the particles are ________ apart. farther
When a substance is cooled, the particles are _________ together. closer.
mass divided by volume (m/v) is the equation for ____. density.
the particles in a solid move by ______ in place. vibrating
the particles in a liquid move by _____ past each other. sliding
the particles in a gas move by _______ with each other. colliding
The amount of matter in an object is its ______. mass
The amount of space that the object takes of is its ____. volume.
Particles in a gas have _____ motion than particles in a solid or a liquid. greater.
Particles in a liquid have _____ motion than particles in a gas. less
The temperature at which a substance changes from a liquid to a vapor is called the ______ ______. boiling point
When a substances changes states of matter, energy (is/is not) lost. is not
During condensation, energy is ________ from the substance. released.
During evaporation, energy is _____ into the substance. absorbed
When energy is released from a substance, that energy is released to the ______. It is not lost. environment.
For a substance to change states, thermal ______ must be absorbed or released. energy.
When thermal energy is added to a liquid, kinetic energy _____. increases.
Thermal energy is the ____ of potential and kinetic energy. sum
When the temperature of a substance ____, the particles move slower. decreases.
_______ at the surface is called evaporation. vaporization
Vaporization throughout the liquid is called _______. boiling
Potential energy is the measure of the _______ between particles distance
Kinetic energy is the measure of the _____ or temperature of the particles speed
As the speed of particles increase, the ______ of the substance also increases . temperature.
Created by: dicksona