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