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Sources and Uses of Water
Unit1A: Chemistry in the Community
16
Chemistry
10th Grade
09/12/2011

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Term
filtration
Definition
solid particles are separated from a liquid by passing the mixture through a material that traps the solid and allows the liquid to pass
Term
filtrate
Definition
the liquid collected after a mixture has been filtered
Term
histogram
Definition
graph that indicates the frequency or number of instances of particular values within a set of related data
Term
percent recovery
Definition
proportion of sought material recovered in a process
Term
range
Definition
the different between the highest and lowest values in a data set
Term
average/mean
Definition
divide the sum of a set of numbers by the number of values in the set
Term
median
Definition
middle value in a set of numbers
Term
electrical conductivity
Definition
ability to transmit an electric current
Term
direct water use
Definition
water usage that can be directly measured
Term
indirect water use
Definition
hidden uses of water in which the amount of water used cannot be directly measured
Term
gaseous state
Definition
state of matter with no fixed volume or shape
Term
liquid state
Definition
state of matter with a fixed volume but no fixed shape
Term
solid state
Definition
state of matter with a fixed volume and shape
Term
surface water
Definition
water found on Earth's surface in oceans, rivers, and lakes
Term
ground water
Definition
water from an aquifer or other underground source
Term
aquifer
Definition
structure of porous rock, sand, or gravel that holds water beneath Earth's surface
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