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Phsical science ch 3

chpater 3 notes and what not

QuestionAnswer
measurement a comparison of a dimention of an object or substance to an appropriate standard usually an instrument with a calibrated scale.
dimension a proporty that can be measured ( Ex. length, temperature, mass, time)
standard a known quantity that everyone agrees will be used foe comparison when measuring.
instrument like a thermometer, scales, meter stick, graduated cylinder
unit the segment of a dimension assigned the value of 1 (ex. meter, gram, degree)
calibrated scale the size of the unit deternins the spacing of the marks on the instrumment
data information collected from scientific observation
giga- G, billion, 1,000,000,000
mega- M, million, 1,000,000
kilo- k, thousand, 1,000
centi- c, hundreth, 0.01
milli- m, thousandth, 0.001
micro- u, millionth, 0.000001
nano- n, billionth, 0.000000001
meter length, m
kilogram mass, kg
second time, s
ampere electric current, A
kelvin absolute temperature, K
mole amount of substance, mol
candela radiant intensity, cd
weight indicates the amount of matter in an object as gravity pulls down on it. it is the mass of an object pulled down by gravity
newton weight, N
Mass the amount of matter in an object.(how much stuff is there)
volume the amount of space the matter occupies
density how compact the particals are
Created by: kevingurl
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