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Dive into the Metric or SI system, covering parameters like mass, volume, length, and temperature. Learn about basic units like kilogram and liter, along with prefixes for easy calculations. Use equivalents to estimate masses and lengths in everyday objects.
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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 3) Length 4) Temperature
Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature
Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature
Metric or SI system (System de Internationale) Parameters of measure: 1) Mass (Weight) 2) Volume 3) Length 4) Temperature
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
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
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
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
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
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
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
Basic Units of Measure 1) Mass = kilogram (kg) (Weight) 2) Volume 3) Length 4) Temperature
Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume 3) Length 4) Temperature
Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume = Liter (L) 3) Length 4) Temperature
Basic Units of Measure 1) Mass = kilogram (kg) (Weight) = Newton (N) 2) Volume = Liter (L) 3) Length = meter (m) 4) Temperature
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)
Prefixes- Universal precursors • M = mega- • k = kilo- • d = deci- • c = centi- • m = milli-
Prefixes- Universal precursors • M = mega- = x 1 000 000 • MHz • k = kilo- • d = deci- • c = centi- • m = milli-
Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- • c = centi- • m = milli-
Prefixes- Universal precursors • k = kilo- = x 1000 kg kL km • d = deci- = 1/10 or .1 dg dL dm • c = centi- • m = milli-
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-
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
Equivalents for Estimation • Mass - 1 gram = 1 raisin
Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup
Equivalents for Estimation • Mass - 1 gram = 1 raisin 500 gram = 1 can of soup 1 kilogram = 1 pair of shoes
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
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
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
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
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 =
Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart)
Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart) 1 milliliter = contents of one eyedropper (15 drops)
Equivalents for Estimation • Volume – 1 liter = 1 medium milk carton (quart) 1 milliliter = contents of one eyedropper (15 drops) 5 milliliters = 1 teaspoon
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)
Equivalents for Estimation • Volume – 1 mL = 1 cubic centimeter (cc or cm3) 1 L = 1000 cm3
Equivalents for Estimation • Volume – 1 mL = 1 cubic centimeter (cc or cm3) 1 L = 1000 cm3 1 gram of water = 1 cc = 1 mL
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
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
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?
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
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
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?
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
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 =
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
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
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
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 :