I Can Statements: - Mayfield High School



Unit 2 - Measurement2.1 Units of MeasurementSI and Metric Systems measurementsunits2.2 Scientific NotationPowers of 10Conversion from Standard NotationConversion from Scientific Notation2.3 Measured Numbers and Significant FiguresRules for SIG FIGSDetermining correct number of SiG FIGS from:measuring deviceswritten numbers2.4 Significant Figures and Calculationsrounding answers2.5 Prefixes and Equalities6 physical quantitiesmetric units converting within the metric system2.6 Writing Conversion Factors2.7 Problem SolvingUsing conversion factors to solve math problemsPicket Fence Method of Dimensional Analysis2.8 DensityProblem solving involving the Density EquationI Can Statements: (2.1)Define and differentiate the SI and Metric SystemsCompare common metric measurements to their closest English equivalentIdentify both the measurement and unit when given a number and abbreviationWrite the correct abbreviation when given a specific unitIdentify the following 6 base units for both the SI and Metric systemlengthvolumemasstemperaturetimeF. amount of substance (2.2)List and name the 3 parts of a number written in scientific notationcoefficientpower of 10measurement unitConvert numbers from standard notation to scientific notation and vice-versa(2.3, 2.4)Identify and explain the difference between exact and measured numbers Explain the origin of significant figures in terms of uncertaintyExplain the concept of uncertainty and explain how the uncertainty of a measuring device is determinedDetermine and record the correct number of significant figures from laboratory equipmentApply the rules of SIG FIGS to determine the number of significant figures in any given numberDetermine the correct number of significant figures to use when converting standard notation to scientific notation and vice versa Round any given number to the requested number of significant figures Determine and round the answers of mathematical problems to the correct number of significant figures (2.5)Identify and list 6 measureable physical quantities and their abbreviations length (L)mass (m)volume (V)time (t)temperature (T)amount of a substance (n)Identify and list metric base units and their abbreviations for the 6 measureable physical quantitiesA. meter (m)B. gram (g)C. Liter (L)D. second (s)E. degree Celsius (oC)F. mole (mol)Name four metric prefixes and their power of 10 which make a number larger than the base unitA. deka- (101)B. hecto- (102)C. kilo- (103)D. Mega- (106)Name metric four prefixes and their power of 10 which make a number smaller than the base unitA. deci- (10-1)B. centi- (10-2)C. milli- (10-3)D. micro- (10-4)Use metric prefix to express equalities within the metric system (convert from one metric unit to another)(2.6, 2.7)Define the term conversion factorWrite correct conversion factors for the following conversions:metric-to-metricmetric-to-EnglishEnglish-to-EnglishEnglish-to-metricDefine the term dimensional analysisApply conversion factors to dimensional analysisUse dimensional analysis to determine equalities between the metric and English systemsUse the picket-fence method of dimensional analysis(2.8)Write the density equation and define each term Use the density equation to solve for any of the 3 variablesUse the density equation for more complicated problem solvingVocabulary: Base unitCoefficientConversion factorDensityDimensional analysisEqualities Exact numbersLe Systeme International d'Unites Measured numbersMeasurementMetric PrefixesPicket fence methodPower of 10SI base unitSI SystemScientific notationSignificant figuresStandard notationUncertainty in measurementUnitAchievement Scale: GoalC LevelB LevelA Level2.1Units ofMeasurementCan define and differentiate both the SI and Metric SystemsCan identify both the measurement and unit when given a number and abbreviationCan write the correct abbreviation when given a unitCan identify the 6 base units in both the SI and Metric SystemCan compare common metric measurements with their closest English equivalent2.2ScientificNotationCan name the 3 parts of a number written in scientific notationCan convert from standard notation to scientific notation and vice-versa2.3, 2.4SignificantFiguresand Measured NumbersandCalculationsCan identify and explain the difference between exact and measured numbersCan explain the origin of significant figures in terms of uncertaintyCan explain the concept of uncertainty and explain how the uncertainty of a measuring device is determinedCan round any given number to the requested number of SIG FIGSCan apply the rules of SIG FIGS to determine the number of significant figures in any given numberCan determine and record the correct number of SIG FIGS from laboratory equipmentCan determine the correct number of SIG FIGS to use when converting from standard to scientific notation and vice-versaCan determine the correct number of SIG FIGS for math problems 2.5Prefixes AndEqualitiesCan identify and list 6 measureable physical quantities and their abbreviationsCan identify and list the metric units and their abbreviations for the 6 measureable physical quantitiesCan name four metric prefix and their power of 10 which make a number larger than the base unitCan name four metric prefix and their power of 10 which make a number smaller than the base unitCan use metric prefix to express equalities within the metric system (convert from one metric unit to another)2.6, 2.7Writing Conversion Factors And Problem SolvingCan define the word conversion factorCan write correct conversion factors Can define the term dimensional analysisCan apply conversion factors to dimensional analysisCan use dimensional analysis to determine equalities from metric-to-metricCan use dimensional analysis to determine equalities from metric-to-English and vice versaCan use the picket-fence method of dimensional analysis2.8DensityWrite the density equation and define each termCan use the density equation to solve for any of the 3 variablesUse the density equation for more complicated problem solvingSample Questions:C Level:1. What is the SI System?a system that names and defines the base units for physical quantities2. What English measurement is closest in value to the metric Liter? the quart3. What physical quantity is represented by each of the following base units?, what is the abbreviation for each physical quantity?(a) meterlength (L)(b) Kelvin (K)Temperature (T)4. What is the metric base unit for each of the following physical quantities?(a) amount of a substance (n)mole (mol)(b) time (t)second (s)5. For each of the following metric base units, name the SI base unit along with its abbreviation.(a) gramkilogram(kg)(b) cubic meter (m3)Liter (L)6. Identify the physical quantity and the measurement unit for each of the following.Physical QuantityMeasurement Unit(a) 16 oCtemperaturedegree Celsius(b) 28 mlengthmeter(c) 452 gmassgram7. (a) Convert 1,200,000 L to correct scientific notation. Don't forget units! 1.2 × 106 L(b) What is the coefficient of this number? 1.2 (c) What is the power of 10 of this number? 106 8. (a) What is an exact number? a counting number containing NO uncertainty(b) Why are measuring device inherently uncertain? at some point the scale marks on the measuring device run out making it necessary to "guess" at the final number - this "guess" is the uncertainty 9. List the 6 measureable physical quantities, their abbreviations, the metric base measurement for each physical quantity, and the abbreviation for the metric base unitPhysical QuantityandAbbreviationMetric Base UnitandAbbreviationmassgrams (g)volumeLiters (L)Lengthmeter (m)Timesecond (s)Temperaturedegrees Celsius (oC)Amount of a substancemole (mol)10. List 4 metric prefix along with their powers of 10 which make the amount larger than the base unit. deka-101hecto-102kilo-103Mega-10611. Fill in the following:1060.001100i) 1 meter = _______ centimeters ii) 1 meter = _______ kilometers iii) 1 meter = _______ micrometers 12. (a) Write a conversion factor for the conversion of inches to centimeters. 2.54 cm1 inch(b) Using the conversion factor from 12 (a), convert 57.83 inches to centimeters. Show all your work, circle your final answer, and don't forget units!57.86 inches × 2.54 cm1 inch = 146.96 → 147.0 cm13. What is the density of the fluid in a car battery if the fluid has a volume of 125 mL and a mass of 155 g? Show all your work, circle your final answer, and don't forget units!d = mV → 155 g125 mL → 1.24 gmLB Level:14. Determine the number of SIG FIGS in each of the following and then round the number to 1 SIG FIG.SIGFIGSrounded(i) 0.050 g20.05 g(ii) 22.03 m420 m15. Convert 34 feet to centimeters. Show all your work, circle your answer, and don't forget units!34 ft × 12 inches1 foot × 2.54 cm1 inch= 1036.32 → 1,?00 cm16. Determine the density ( gmL ) for a plastic material that weighs 2.68 lb and has a volume of 3.5 L. (HINT: 1 pound contains 453.6 grams) Show all your work, circle your answer, and don't forget units! 2.68 lb 3.5 liters × 1 liter1,000 mL × 453.6 g1 lb → 0.34732 = 0.35 gmLA Level:-105641359657358758522902917. Record the measurements on graduated cylinders A. and B. in the correct number of SIG FIGS. Don't forget units!36.5 mL 36 mL or 35.9 mL A. ________________ B. ______________18. Convert 1.5080 × 105 g to standard notation w/ the correct number of SIG FIGS 150,8?0 g19. The following answer has the incorrect number of SIG FIGS. Determine the correct number of SIG FIGS and re-write the answer. Don't forget units!100.00 g ÷ 25.0 mL = 4 gmL → 4.00 gmL20. Convert 30.0 yards to kilometers using the picket fence method of dimensional analysis. Show all your work, circle your answer, and don't forget to use units!30.0 yd 3 ft 12 in 1 m 1 km = 0.0274 km 1 yd 1 ft 39.37 in 1000 m ................
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