Unit 1

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Measurement Metrics
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SI Measurements(also known as metric system)

• SI stands for System International or
  International System of Measurement

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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

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SI Measurements(also known as metric system)

• Important BASE units to remember
• METERS m (measures distance or length)
• Measure with ruler/meterstick

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

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• GRAMS g (measures mass)
• Measure with triple beam balance/scale

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• oCELSIUS oC (measures temperature)
• Measure with thermometer

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

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• Easy way to remember the order of prefixes
• Kids
• Have
• Dreams
• But
• Dreams
• Cost
• Money

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