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THE METRIC SYSTEM. WHY DO WE USE THE METRIC SYSTEM?. Almost all other countries are using the metric system Other countries’ companies are refusing to buy products from the U.S. if not labeled in metric units Scientists need a universal way to communicate data (SI Unit).
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WHY DO WEUSE THEMETRIC SYSTEM? Almostallothercountriesareusingthe metricsystem Othercountries’companiesarerefusingto buyproductsfromtheU.S.ifnotlabeledin metricunits Scientistsneedauniversalwayto communicatedata(SIUnit)
WHAT DOES THE METRICSYSTEM MEASURE? Thegrammeasuresmassorhowmuch somethingweighs Thelitermeasuresvolumewhichisused whenmeasuringliquids Themetermeasuresthelengthofanobject orthedistancefromplacetoplace
Converting using the metric step • 100 g = _______ mg • 15kg = ________ g • 1.5 dm = _______ cm • 3780 mL= ________ L 100,000 0.015 15 3.780
Length or distance: meter stick or ruler 4.30 cm 43.0 mm
6.51cm 65.1mm 0.0651m
___?___mm 25 mm ___?___m 0.025 m ___?___cm 2.5 cm
Leaf A = 5.5 cm Leaf B = 3.5 cm 5.5cm – 3.5 cm = 2.0 cm = _______mm 20.0
Volume: Graduduated Cylinder 13.0 mL 0.013 L
Mass: Triple Beam balance 163.7 g 163700.0 mg 0.1637 kg