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Notes – Systems of Measurement

Assign # 30 pts. Notes – Systems of Measurement. Notes – Systems of Measurement. Metric or SI system (System de Internationale) Universal System of Measurement. Metric or SI system (System de Internationale). Parameters of measure : 1) Mass ( Weight) 2) Volume

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Notes – Systems of Measurement

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  1. Assign # 30 pts. Notes – Systems of Measurement

  2. Notes – Systems of Measurement • Metric or SI system (System de Internationale) • Universal System of Measurement

  3. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature

  4. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature

  5. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature

  6. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature

  7. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) 2) Volume 3) Length 4) Temperature

  8. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume 3) Length 4) Temperature

  9. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume – Amount of space a substance takes up. 3) Length 4) Temperature

  10. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume – Amount of space a substance takes up. 3) Length 4) Temperature

  11. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume – Amount of space a substance takes up. 3) Length 4) Temperature

  12. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume – Amount of space a substance takes up. 3) Length – Distance 4) Temperature

  13. Metric or SI system (System de Internationale) Parameters of measure: 1) Mass – Amount of matter in a substance (Weight) – Amount of gravitational pull (Force = N) 2) Volume – Amount of space a substance takes up. 3) Length – Distance 4) Temperature – How fast particles are moving

  14. Basic Units of Measure 1) Mass = kilogram (kg) (Weight) 2) Volume 3) Length 4) Temperature

  15. Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume 3) Length 4) Temperature

  16. Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume = Liter (L) 3) Length 4) Temperature

  17. Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume = Liter (L) 3) Length = meter (m) 4) Temperature

  18. Basic Units of Measure 1) Mass= kilogram (kg) (Weight) = Newton (N) 2) Volume = Liter (L) 3) Length = meter (m) 4) Temperature = Celsius or Centigrade (oC) (metric) or Kelvin (K) (SI)

  19. Prefixes- Universal precursors • M = mega- • k = kilo- • d = deci- • c = centi- • m = milli-

  20. Prefixes- Universal precursors • M = mega- = x 1 000 000 • MHz • k = kilo- • d = deci- • c = centi- • m = milli-

  21. Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- • c = centi- • m = milli-

  22. Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- = 1/10 or .1 dg dL dm • c = centi- • m = milli-

  23. Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- = 1/10 or .1 dg dL dm • c = centi- = 1/100 or .01 cg cL cm • m = milli-

  24. Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- = 1/10 or .1 dg dL dm • c = centi- = 1/100 or .01 cg cL cm • m = milli- = 1/1000 or .001 mg mL mm

  25. Equivalents for Estimation • Mass - 1 gram = 1 raisin

  26. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup

  27. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes

  28. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes • Length– 1 millimeter = thickness of a dime

  29. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes • Length– 1 millimeter = thickness of a dime 1 centimeter = width of little finger nail

  30. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes • Length– 1 millimeter = thickness of a dime 1 centimeter = width of little finger nail 1 meter = 1 golf club

  31. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes • Length– 1 millimeter = thickness of a dime 1 centimeter = width of little finger nail 1 meter = 1 golf club 1 kilometer = 5 city blocks 5 city blocks

  32. Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes • Length– 1 millimeter = thickness of a dime 1 centimeter = width of little finger nail 1 meter = 1 golf club 1 kilometer = 5 city blocks • 10 km = 6.2 miles 100 km = 1000 km = 1 km =

  33. Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart)

  34. Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart) 1 milliliter = contents of one eyedropper (15 drops)

  35. Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart) 1 milliliter = contents of one eyedropper (15 drops) 5 milliliters = 1 teaspoon

  36. Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart) 1 milliliter = contents of one eyedropper (15 drops) 5 milliliters = 1 teaspoon 1 mL = 1 cubic centimeter (cc or cm3)

  37. Equivalents for Estimation • Volume – 1 mL = 1 cubic centimeter (cc or cm3) 1 L = 1000 cm3

  38. Equivalents for Estimation • Volume – 1 mL = 1 cubic centimeter (cc or cm3) 1 L = 1000 cm3 1 gram of water = 1 cc = 1 mL

  39. Equivalents for Estimation • Volume – 1 mL = 1 cubic centimeter (cc or cm3) 1 L = 1000 cm3 1 gram of water = 1 cc = 1 mL 1 L = 1000 g or 1 kg water

  40. Equivalents for Estimation • Boiling water = 100 oC or 212 oF • Freezing water = 0 oC or 32 oF • Temperature oC Science   Room temperature = 20-25 oC or 70-75 oF •  SI Kelvin = -273.15 oC = 0 K • Coldest possible temperature = Absolutezero

  41. Scientific Notation • For displaying very large and very small numbers. • All numbers changed to 2-3 digit power of 10. 1,000,000 = 1 x 106 • 1,000 = 1 x 10? • .0000000001 = 1 x 10?

  42. Scientific Notation • For displaying very large and very small numbers. • All numbers changed to 2-3 digit power of 10. 1,000,000 = 1 x 106 • 1,000 = 1 x 103 • .0000000001 = 1 x 10-10

  43. Scientific Notation • When multiplying with scientific notation, you add the exponents • 1,000,000 x 1,000 • 1 x 106 x 1 x 103 = • 1x 109 • When dividing with scientific notation, you subtract the exponents

  44. Converting to Scientific Notation • 1) Numbers are changed to 1- 3 significant digits and a number from 1 to 9 • 2) Uses powers of 10 with exponents to denote power • 3) Moving decimal to the left increases the exponent number. Moving to the right decreases the number • 12,345 = • 100 = 10-1 = • 101 = 10-2 = • 102 = 10-3= • 10,000 = 1 x 10? • .0001 = 1 x 10?

  45. Converting to Scientific Notation • 1) Numbers are changed to 1-3 significant digits and a number from 1 to 9 • 2) Uses powers of 10 with exponents to denote power • 3) Moving decimal to the left increases the exponent number. Moving to the right decreases the number • 12,345 = 12,300 • 100 = 1 10-1 = 1/10 or .1 • 101 = 10 10-2 =1/100 or .01 • 102 = 100 10-3= 1/1000 or .001 • 10,000 = 1 x 104 • .0001 = 1 x 10-4

  46. Converting to Standard Notation • 1) For positive exponents move the decimal to the right the number of exponents • 2) For negative exponents move the decimal to the left the number of exponents • 3.46 x 104 = • 1.23 x 10-5 =

  47. Converting to Standard Notation • 1) For positive exponents move the decimal to the right the number of exponents • 2) For negative exponents move the decimal to the left the number of exponents • 3.46 x 104 = 3.46 • 1.23 x 10-5 = 1.23

  48. Scientific Notation • When multiplying with scientific notation, you add the exponents • 1,000,000 x 1,000 • 1 x 106 x 1 x 103 = • 1x 109 • When dividing with scientific notation, you subtract the exponents • 1 x 106 =106-3 = 1 x 103 • 1 x 103

  49. Dimensional analysis • The method of treating units as algebraic quantities that can be cancelled. • Units or factor conversions are multiplied till correct units are displayed • Unit conversions = 1 • - 1 = 1000 mL 1 L • Convert 2 years to seconds 2 yx__dx __hrx __minx __s 1 y d hr min

  50. Dimensional analysis • The method of treating units as algebraic quantities that can be cancelled. • Units or factor conversions are multiplied till correct units are displayed • Unit conversions = 1 • - 1 = 1000 mL 1 L • Convert 2 years to seconds 2 yx 365 d x24 hrx60 minx60 _s 1 1 y 1 d 1 hr min Convert 2 kg to g :

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