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Eath science
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18
Science
8th Grade
09/18/2014

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Term
classification
Definition
one of the groups or classes into which things may be or have been classified.
Term
cyclic change
Definition
revolving or recurring in cycles; characterized by recurrence in cycles.
Term
density
Definition
how tightly packed together molecules are within an object
Term
dynamic equilibrium
Definition
a state of balance achieved by two forces in motion; also, a state of apparent repose between two reactions going in opposite directions at equal speed
Term
inference
Definition
the act or process of inferring
Term
instrument
Definition
a mechanical tool or implement, especially one used for delicate or precision work
Term
interface
Definition
a surface regarded as the common boundary of two bodies, spaces, or phases.
Term
mass
Definition
a collection of incoherent particles, parts, or objects regarded as forming one body
Term
measurement
Definition
the act of measuring.
Term
natural resources
Definition
the natural wealth of a country, consisting of land, forests, mineral deposits, water, etc.
Term
observation
Definition
an act or instance of noticing or perceiving.
Term
percent deviation
Definition
the observed value minus accepted value divided by the accepted value multiplied by 100%.
Term
pollution
Definition
the introduction of harmful substances or products into the environment
Term
prediction
Definition
an act of predicting.
Term
rate of change
Definition
The speed at which a variable changes over a specific period of time
Term
universe
Definition
the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.
Term
volume
Definition
the amount of space an object takes up
Term
natural hazards
Definition
naturally occurring physical phenomena caused either by rapid or slow onset events which can be geophysical, hydrological, climatological, meteorological or biological.
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