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SCI- Chapter 2: states of matter
N/A
22
Science
8th Grade
01/14/2012

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Term
the freezing point of a substance is _______ to the melting point of the same substance
Definition
equal to
Term
kinetic energy is the _________ of motion
Definition
energy
Term
what is the surface tension in a cup caused by?
Definition
attractive forces between water molecules
Term
as a ssample of matter is cooled, which property of its particles increases?
Definition
cohesive
Term
what is viscosity a measure of?
Definition
a liquids resistance to flow
Term
what does NOT effect the behavior of gas in a closed container?
Definition
the cohesive forces within the gas
Term
Archemedes principle helps to explain the relation ship between _________and_________.
Definition
buoyancy, density
Term
pascals principle can be applied to______________.
Definition
any matter that can flow
Term
the distance between particles is the largest when the substance exists as a ____.
Definition
gas
Term
what is a unit of force?
Definition
newton
Term
an amorphous solid__________.
Definition
has no true melting point
Term
why is a cork able to float on water?
Definition
because it is less dense than the water
Term
what is the measure of the average kinetic energy of the particles of a substance?
Definition
temperature
Term
what s 101.3 kilopascals?
Definition
amospheric pressure
Term
what is the upward force of a liquid?
Definition
bouyant force
Term
what is a material resitance to flow?
Definition
viscosity
Term
what is the change in state from a gas to a liquid called?
Definition
condensation
Term
when a liquid changes into a gas
Definition
vaporization
Term
heat is the __________ of thermal energy from a higher temperature to a lower temperature
Definition
movement
Term
what is the measurement of force per unit area called?
Definition
pressure
Term
what is the temperature at which ice changes into liquid water called?
Definition
melting point
Term
to calculate the density of a sample of matter, you must divide its____________ by its____________.
Definition
mass, volume
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