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ch 5 ps vocab
acceleration
13
Physics
8th Grade
04/02/2012

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Term
data
Definition
any pieces of information acquired through observation or experimentation
Term
density
Definition
the ratio of the mass of a substance to the volume of a substance
Term
hypothesis
Definition
an explanation that is based on prior scientific research or observations and that can be tested
Term
law
Definition
a summary of many experimental results and observations
Term
mass
Definition
a measure of the amount of matter in an object
Term
meter
Definition
the basic unit of length in the SI system
Term
model
Definition
a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept
Term
observation
Definition
the process of obtaining information by using the senses
Term
physical science
Definition
the scientific study of nonliving matter
Term
scientific methods
Definition
a series of steps followed to solve problems
Term
temperature
Definition
a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object
Term
theory
Definition
an explanation that ties together many hypotheses and observations
Term
volume
Definition
a measure of the size of a body or region in 3 dimensional space
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