Scientific Measurement

The Metric System(System Internationale) International standardized system of measurement

Adopted in France in 1791

Most common system of measuring units used by most of the world

Based on the number 10

Uses decimals (units are based on multiples or sub-multiples of 10)

Known as SI units

Everyday Uses of Metric System

Basic Units Mass: gram (g)

Volume: liter (l)

Length: meter (m)

Temperature: Celsius/Centigrade oC

Mass: gram Divisions of gram

Decigram: 10 divsions of gram

Centigram: 100 divsions of gram

Milligram: 1000 divisions of gram

Volume 1 ml (milliliter) = 1 cc (cubic centimeter)

Divisions of liter Deciliter: 10 divisions of liter

Centiliter: 100 divisions of liter

Milliliter: 1000 divisons of liter

Length: meter Divisions of meter

Decameter: 10 divisions of meter (width of hand)

Centimeter: 100 divisions of meter (width of index finger) Millimeter: 1000 divisions of meter

(width of side of dime)

Temperature: Celsuis Important temperatures

Boiling point H2O 100 oC

Body temp. 37 oC

Room temp. 70 oC

Freezing point H2O 0 oC

Common SI Prefixes

Eventually we will have to exchange our feet for meters.