si units of measure student handout complete

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Physical Science Handout Intro Unit: Measurement SI Units of Measure What is SI? International Standard of Units (SI) SI Base Units Base quantity Name Abbreviation Length meter m Mass kilogram kg Time second s Electric Current ampere A Temperature kelvin K Volume milliliter mL Volume cubic centimeter cm 3 Unit Prefixes Prefix Abbreviation Number value M any mega- M 1 000 000 K ids kilo- k 1000 H ave hecto- h 100 D ropped deka- da 10 Over (base) 1 D ead deci- d 0.1 C onverting centi- c 0.01 M etrics milli- m 0.001 M an micro- 0.000 001 Precision: The degree of detail of something that can be observed (the weatherman that says it will be 57.6 °F at 2:37pm)

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Page 1: SI Units of Measure Student Handout Complete

Physical Science Handout Intro Unit: Measurement

SI Units of Measure

What is SI?International Standard of Units (SI)

SI Base UnitsBase quantity Name Abbreviation

Length meter mMass kilogram kgTime second s

Electric Current ampere ATemperature kelvin K

Volume milliliter mLVolume cubic centimeter cm3

Unit Prefixes

Prefix Abbreviation Number value

Many mega- M 1 000 000

Kids kilo- k 1000

Have hecto- h 100

Dropped deka- da 10

Over (base) 1

Dead deci- d 0.1

Converting centi- c 0.01

Metrics milli- m 0.001

Man micro- 0.000 001

Precision:The degree of detail of something that can be observed

(the weatherman that says it will be 57.6 °F at 2:37pm)

Page 2: SI Units of Measure Student Handout Complete

Physical Science Handout Intro Unit: Measurement

Accuracy:The degree of conformity to the standard (the “truth”)

(the weatherman that says it will be 50-55 °F tomorrow)

diagrams from: http://www.flatsurv.com/accuprec.htm