Chapter 3 Physical Science Test: Measurements
accuracy
-An assessment of the measurement error. -An indication of how close a measurement is to its acceptable value.
meter
-measures length -m
kilogram
-measures mass -kg
second
-measures time -s
cubit
-world's oldest unit of measure -elbow to fingertip -comes from Latin word cubitum
common cubit
450 mm (17.7 in.)
Biblical cubit
457 mm (18 in.)
royal cubit
520 mm (20.5 in.)
precision
An assessment of the exactness of a measurement.
instrument
Any artificial device made for the purpose of refining, extending, or substituting for the human senses when measuring.
dimension
Any measurable property of the physical universe.
qualitive date
Numerical scientific observations that result from *measurements with instruments or from a method relating to counting.*
quantitive data
Scientific observations resulting from *detailed word or other non-numerical descriptions.*
mass
the measure of the amount of matter in an object
common dimensions
include length, time, temperature, volume, and speed
volume
the space enclosed or occupied by an object
