Measurements   mass
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Measurements mass

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Measurements   mass Measurements mass Presentation Transcript

  • Measurement and Units Mass
  • Mass
    • Objectives:
    • State what mass is.
    • State the SI unit of mass.
    • Use instruments to measure mass.
  • Mass
    • Mass is the amount of matter in an object.
    • The SI unit of mass is kilogram (kg).
    Standard 1kilogram mass made from platinum-iridium alloy kept at Sevres at the International Office of Weights and Measures
  • Mass
    • Instruments to Measure Mass
    Triple Beam Balance Lever Balance Electronic Mass Balance
  • Mass
    • Common Misconceptions
    • Weight vs Mass
    • Weight is the effect of gravity on mass . It changes from location to location.
    • Mass cannot be measured by a
    • spring balance , weight can.
  • Conclusion
    • Mass is a measure of the quantity of matter in an object.
    • It is measured in kilograms (SI unit)
    • Mass is not weight.
    • Mass is measured by lever, beam and electronic mass balances