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15 Cards in this Set

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  • Back
physical science
the study of matter and energy
scientific method
a series of steps that scientists use to answer qustions and solve problems
technolagy
the application of knowledge,tools,and myterials to solve problems and accomplish tasks:technolagy can also refer to the objects to acomplished tasks
observation
any use of the senses to gather info
hypothosis
a possible explanationor answer to a qustion
data
any peices of info acquired through experimantation
theory
a unifying explanation for a broad range of hypotheses and observations that have been suported by testing
law
a summary of many experimental results and observations; a law tells how things work
modle
a representation of an object or system
meter
the basic unit of length in the si system
volume
the amount of space that something occupes or the amount of space that something contains
mass
the amount of matter that something is made of
temperature
a measure of how got or cold something is; specifically, a measure of he average kinetic energy of the particles in a object
density
the amount of matter in a given space mass per unit volume
area
a measure of how much surface an object has