Physical Science Section 2D Review CCA Question Preview (ID: 58045)
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While matter changes all the time, the ________ of matter never changes.
a) density
b) volume
c) temperature
d) amount
_______ is the degree to which a material will react with other substances.
a) Reactivity
b) Connectivity
c) Flammability
d) Combustibility
Some changes alter the chemical composition of substances. Scientists call these chemical changes, or chemical _______.
a) omissions
b) reactions
c) emissions
d) processes
________ is the ability of a material to burn in the presence of oxygen.
a) Conductivity
b) Reactivity
c) Flammability
d) Combustability
Physical _______ are helpful in identifying a particular substance and include color, texture, and physical state.
a) alterations
b) transmutations
c) changes
d) properties
__________ is the ease with which a material allows the transfer of either electrical or thermal energy.
a) Conductivity
b) Reactivity
c) Cohesion
d) Electronegativity
The ability of some solid materials to be hammered or pressed into sheets is called _________.
a) ductility
b) malleability
c) immovability
d) compressability
________ is the ability of a solid material to be pulled into a wire.
a) Malleability
b) Reactivity
c) Ductility
d) Elasticity
Any change in matter that does not alter the composition of a substance is called a _______ change.
a) compound
b) synthetic
c) chemical
d) physical
Melting is the change of ______ from a solid to a liquid.
a) temperature
b) pressure
c) state
d) vaporization
The melting point is the __________ at which a solid turns to a liquid.
a) density
b) temperature
c) volume
d) capacity
_______ occurs in two different ways: through evaporation and through boiling
a) Vaporization
b) Condensation
c) Sublimation
d) Pressureization
Dew forming on a cool summer night is an example of ____________.
a) vaporization
b) evaporation
c) deposition
d) condensation
Solid frost on the window of your car forms directly from a gas which bypasses the liquid state, in a process called _______.
a) solidification
b) sublimation
c) deposition
d) vaporization
The triple point is the temperature and _______ at which solid, liquid, and gas exist in equilibrium.
a) density
b) pressure
c) volume
d) sublimation
The change of state that is the opposite of melting is _______.
a) freezing
b) sublimation
c) condensation
d) evaporation
_________is the relatively slow form of vaporization in which particles on the surface of the liquid obtain sufficient energy to change to the gaseous state.
a) Sublimation
b) Deposition
c) Combustion
d) Evaporation
Condensation is the change of state from a vapor (gas) to a _______ and is the opposite of vaporization.
a) solid
b) plasma
c) liquid
d) product
It is possible for a solid to transition directly to a vapor without melting first. This change is called _____.
a) vaporization
b) sublimation
c) deposition
d) evaporation
Boiling of a liquid occurs wherever the gas pressure is ______ than atmospheric pressure.
a) greater
b) less
c) equal to
d) no more
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