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16 Cards in this Set

  • Front
  • Back
the study of matter and enrgy
PHYSICS
a systematic way to oserve, experiment, and analyze the world
SCIENTIFIC METHOD
the valid digits in a measurement
SCIENTIFIC DIGITS
describes the relationship between two variables in which an increase in one variable results in a decrease of another variable
INVERSE RELATIONSHIP
the line drawn as close as possible to all the data points on the graph
LINE OF BEST FIT
an educated guess about how variables are related
HYPOTHESIS
the factor that is changed or manipulated during an experiment
INDEPENDANT VARIABLE
description of a rule of nature
SCIENTIFIC LAW
a comparison between an unknown quanity and a standard
MEASUREMENT
a straight line on a graph that shows a linear relationship between the two variables
LINEAR RELATIONSHIP
an explanation supported by experimental results
SCIENTIFIC THEORY
describes how well the results of a measurement agree with the real value.
ACCURACY
the factor that depends on the independant variable
DEPENDANT VARIABLE
the method of treating units as algabreic quantities, which can be cancelled
DIMENSIONAL ANALYSIS
exists when one variable depends on the suqare of another
QUADRATIC RELATIONSHIP
the degree of exactness of a measurement
PRECISION