Measurement & Metrics.

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Presentation transcript:

Measurement & Metrics

SI Measurements (also known as “metric system”) “SI” stands for “System International” or “International System of Measurement”

SI Measurements (also known as “metric system”) What about it? Common Language for scientists Based on units of 10 Multiply or divide to go up or down when converting units Prefixes determine “how much” of a unit

SI Measurements (also known as “metric system”) Important BASE units to remember: METERS = m (measures distance or length) Measure with ruler/meterstick

LITERS = L (measures volume — how much space something takes up) Measure with graduated cylinder/beaker Or with a ruler (length x height x width)

GRAMS = g (measures mass) Measure with triple beam balance/electronic balance

oCELSIUS = oC (measures temperature) Measure with thermometer

BASE UNIT (gram, meter, liter) Important PREFIXES to remember: k = kilo- (means “1000”) h = hecto-(means “100”) d = deca-(means “10”) BASE UNIT (gram, meter, liter) d = deci-(means “1/10” or 0.1) c = centi- (means “1/100” or .01) m = milli- (means “1/1000” or .001)

King Hector Dragged Gram Ma Liter Down Central Main Easy way to remember the order of prefixes: King Hector Dragged Gram Ma Liter Down Central Main