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10/21/2019 Lab Notebook: Pg 0.3

10/21/2019 Lab Notebook: Pg 0.3. Standard: PH0.3 Use and explain the importance of the metric system in measurement Objective: (1)Identify standard SI prefixes (2) Convert between prefixes

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10/21/2019 Lab Notebook: Pg 0.3

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  1. 10/21/2019 Lab Notebook: Pg 0.3 Standard: PH0.3 Use and explain the importance of the metric system in measurement Objective: (1)Identify standard SI prefixes (2) Convert between prefixes Do Now: Using qualitative and quantitative measurements, describe someone in this room in writing. Be thorough, the best description gets a prize!

  2. Metric Conversions Bunny Hop Method

  3. Why we measure with the metric system? Guess the mass of an elephant in milligrams. -4,500,000,000 What about kilograms? -4500 kg Which is easier to describe? Why might we have different units to describe the same physical quantity?

  4. 1 2 3 MetersLitersGrams How do you use the “ladder” method? 1st – Determine your starting point. 2nd – Count the “jumps” to your ending point. 3rd – Move the decimal the same number of jumps in the same direction. Starting Point Ending Point __. __. __. 2 3 1 Bunny Hop Method KILO1000Units HECTO100Units DEKA10Units DECI0.1Unit CENTI0.01Unit MILLI0.001Unit 4 km = _________ m How many jumps does it take? 4. = 4000 m

  5. The Metric Ladder It’d be really difficult to write out kilgogram, decimeter, or millisecond everytime we needed to reference them So we use Abbreviations for the PREFIXES The underlined letter on each prefix is the abbreviation, write them down now

  6. How Can I Remember This :/ How Can I Remember This?? King Henry Died By Drinking Chocolate Milk Kilo, Hecto, Deka, Base, deci, Centi, Milli

  7. Compare using <, >, or =. 56 cm 6 m 7 g 698 mg Conversion Practice Try these conversions using the ladder method. 1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm 14 km = _______ m 109 g = _______ kg 250 m = _______ km

  8. Metric Conversion Challenge Write the correct abbreviation for each metric unit. 1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____ 2) Meter _____ 5) Millimeter _____ 8) Centimeter _____ 3) Gram _____ 6) Liter _____ 9) Milligram _____ Try these conversions, using the ladder method. 10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg 13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm 14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g

  9. Compare using <, >, or =. 25) 63 cm 6 m 27) 5 g 508 mg 29) 1,500 mL 1.5 L 26) 536 cm 53.6 dm 28) 43 mg 5 g 30) 3.6 m 36 cm

  10. Exit slip • Fill in the units of the metric scale • Fill in the abbreviations • Using that scale, convert 6 dag to mg. • Convert 100 cm to dm.

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