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Units of Measurement

Units of Measurement. SI – Le Systeme International d’Unites AKA: the Metrics System. SI Base Units. Adopted: 1960 Standard international measurement Powers of Ten. Mass measures the quantity of matter Standard unit = kg (kilogram) Instrument = Balance.

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Units of Measurement

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  1. Units of Measurement SI – Le Systeme International d’Unites AKA: the Metrics System

  2. SI Base Units • Adopted: 1960 • Standard international measurement • Powers of Ten

  3. Mass measures the quantity of matter Standard unit = kg (kilogram) Instrument = Balance Weight measures the gravitational pull on matter Standard unit = N Newton is force Instrument = Spring Scale Mass vs. Weight

  4. Length • Distance measurement • Standard unit = m (meter) • Instrument = Ruler

  5. Volume • Amount of space occupied by an object • For non-liquid volumes, standard unit = m3 • For liquid volumes, standard unit = L (liter) • 1 mL = 1 cm3 • Instrument = graduated cylinders or ruler

  6. Temperature • Standard unit = Celsius • Using Celsius, water freezes at 0 degrees, and boils at 100 degrees • F = 9/5C + 32 • C = 5/9 (F – 32)

  7. Conversions and ScaleLarger ----------------------Smaller

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