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# Measurements mass

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### Measurements mass

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