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intro to earth
vocabulary
18
Science
8th Grade
09/08/2016

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Term
classification
Definition
scientist group together similar observations and inferences to make the study of objects and events in the environment more meaningful or easier to understand
Term
cyclic change
Definition
many changes in the environment occur in some orderly fashion in which the events constantly repeat
Term
density
Definition
the concentration of matter in an object
mass= mass over volume
Term
dynamic equilibrium
Definition
environmental equilibrium resulting from opposing forces or actions balancing out
Term
inference
Definition
an interpretation of an observation
Term
instrument
Definition
is a human made device that extends the senses beyond there normal limits, thus enabling them to make observations that would otherwise be impossible or highly inaccurate
Term
interface
Definition
the boundary between regions with different properties
Term
mass
Definition
the amount of matter in an object
Term
measurement
Definition
a means of expressing an observation with greater accuracy or precision
Term
natural hazard
Definition
a non-human related object, process, or situation that has the possibility of causing loss of life, personal injury, or loss of property
Term
natural resource
Definition
the materials and energy sources found in the environment that humans use in there daily lives
Term
observation
Definition
the perception of some aspect of the environment by one or more human senses
Term
percent deviation/ percent error
Definition
when the amount of error is expressed as a percentage
difference from accepted value
over
accepted value
times
100%
Term
pollution
Definition
the concentration of any substance or form of energy reaches a proportion that adversely affects people, their property, or plant or animal life
Term
prediction
Definition
is a type of inference about the conditions and behavior of the environment in the future
Term
rate of change
Definition
how much a measurable aspect of the environment called a field, is altered over a given time - years - hours - or seconds
Term
universe
Definition
is all matter, time, energy, and space
Term
volume
Definition
the amount of space that an object occupies
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