25 terms

# General Science: 1-2 Measuring and Metrics

metric prefixes, units and questions http://physics.nist.gov/cuu/pdf/sp811.pdf

#### Terms in this set (...)

meter, liter and gram
the three base units in the SI system
meter
the metric base for length
(m)
liter
the metric base for volume
(L)
gram
the metric base for mass
(g)
kilo-
prefix for 1000
Abbreviation k
hecto-
prefix for 100
Abbreviation h
deca-
prefix for 10
Abbreviation da
deci-
prefix for .1 or 1/10
Abbreviation d
centi-
prefix for .01 or 1/100
Abbreviation c
milli-
prefix for .001 or 1/1000
Abbreviation m
one liter
A little more than a quart
1 kilogram
Equals 1000 grams, a little more than 2 pounds
1 kilometer
equals 1000 meters, a little more than 1/2 mile.
1000
"kilo" means how many times it's base?
.001
"milli" means how many times it's base?
meter
what is the base for length?
liter
The metric base for volume?
gram
what is the base for mass?
SI System
international system of units based on the metric system and units derived from the metric system
Random Error
An error that does not occur in any regular predictable pattern
Systematic Error
An error that occurs repeatedly because of an error in training or a problem with the procedure or tool
Accurate
A measurement which is close to the true value
Precise
Repeated measurements which are the same each time
NIST SI Prefixes
The National Institute of Standards and Technology
https://physics.nist.gov/cuu/Units/units.html
k, h, da, base, d, c, m
list the metric prefixes in order from largest to smallest