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chemistrychp 2.0

chemistry chapter 2

a spesific portion of matter in a given region of space that has been selected for study system
testable statement hypothesis
experimental conditions that stay the same controls
experimental conditions that change variables
an explanation of a phnomonon model
a genralization that explains a body of facts theory
something that has size quantity
standard units for science SI
a measure of gravity on matter weight
anything that takes up space mass
combinations of SI units derived units
the amount of space occupied by an object volume
ratio of mass to volume density
ratio derived from the equivalace of two units conversion factor
mathematical technique for solving measurements dimentional analysis
refers to the closeness of a set of measurements precision
closeness of measurement to the correct value acuracy
the experimental value divided by the real value time 100 percent error
the figures of a number that are certain significant figures
a constan ratio between two things directly proportional
Created by: vezzettim