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Metrics

Metrics. Why is it necessary to use metric units? . 1. How tall is a 6 foot man? a. 1 league b. 1 fathom c. 1 rod d. 1 furlong  2. How much milk is in a gallon jug? a. 4 pints b. 2 quarts c. 5 pecks d. 32 gills

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Metrics

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  1. Metrics

  2. Why is it necessary to use metric units?

  3. 1. How tall is a 6 foot man? a. 1 league b. 1 fathom c. 1 rod d. 1 furlong  2. How much milk is in a gallon jug? a. 4 pints b. 2 quarts c. 5 pecks d. 32 gills 3. How much does a quarter pounder weigh before cooking? a. 1750 grains b. 128 drams c. 8 ounces d. 1 hundredweight 4. How much does your average 2 1/2gram penny weigh? a. 1 pennyweight b. 39 grains c. 20 scruples d. 47 apothecaries' dram 5. At what temperature does water freeze? a. 0o Fahrenheit b. 492o Rankine c. 32o Centigrade d. 100o Kelvin

  4. 1. How tall is a 6 foot man? a. 1 league *b. 1 fathom c. 1 rod d. 1 furlong 15840 feet 6 feet 16.5 feet 5282 feet 2. How much milk is in a gallon jug? a. 4 pints b. 2 quarts c. 5 pecks *d. 32 gills 1/4 gallon 1/2 gallon 2 gallons 1 gallon 3. How much does a quarter pounder weigh before cooking? *a. 1750 grains b. 128 drams c. 8 ounces d. 1 hundredweight 1/4 lb 1/2 lb 1/2 lb 100lbs 4. How much does your average 2 1/2gram penny weigh? a. 1 pennyweight *b. 39 grains c. 20 scruples d. 47 apothecaries' dram 12 grams 2.5 grams 15 grams 1.5 grams 5. At what temperature does water freeze? a. 0o Fahrenheit *b. 492o Rankine c. 32o Centigrade d. 100o Kelvin -18oC 0o C 32o C 173oC

  5. Did you score 100% If you did not, don't feel badly. There were a lot of measurements in those questions that you might not be familiar with because they are different types of measurements that are used all over the world.

  6. Sometimes, even the same measurement means different things, take for example the measurement "ton". 1 U.S. short ton = 2,000 pounds 1 U.S. long ton = 2,240 pounds 1 nautical ton = 100 cubic feet 1 freight ton = 40 cubic feet 1 metric ton = 1,000 kilograms or 2,205 pounds 1 displacement ton = 35 cubic feet.

  7. I'm sure you can imagine how confusing it could be, for scientists all over the world to measure things if they had to convert them all the time from different measurement scales. So, in 1960 S.I. units (from the French Systeme Internationale, or the International System) was adopted by the General Conference on Weights and Measures -- the sixth such conference since 1840. The International System was a modern form of the metric system. This following is a basic summary of measurements under the metric system:

  8. Due to ad-hesion, water sticks to things unlike it. So often, water will cling to the sides of a glass graduated cylinder. When reading a graduated cylinder, read at the bottom of the meniscus.

  9. Determine the following volumes: 1. 2. 3. 4.

  10. Convert the following temperatures: 0oC = ___ oF 0oF = ___ oC 32oC = ___ oF 98.6oF = ___ oC 212oC = ___ oF 212oF = ___ oC -30oC = ___ oF -12oF = ___ oC

  11. Metrics use base 10 Scientific Notation (100 = 1) 100 = 1 X 102 1000000 = 1 X 106 1000000000 = 1 X 109 0.01 = 1 X 10-2  0.000001 = 1 X 10-6 0.000000001 = 1 X 10-9

  12. Practice converting the following : 1) 23.5 M = _____cm. = _____Gm 2) 134.56 mm. = _____ M = _____ nm 3) 98.43 L = ____ ml. = _____ um 4) 345.34 Km = ____ dm. = _____ Mm 5) 34 g. = ____ Kg. = _____ um 6) 123.43 cg. = _____Hg. = _____ ug 7) 32.5 L. = _____ml. = _____ Gl 8) 456.3 g. = _____ cg. = _____ Mg 9) 3908.3 Kl. = ____ ml. = _____ L 10) 0.0045 Dg. = ____ cg. = _____ dg

  13. For More Practice… • http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20101/Bio%20101%20Laboratory/Metric%20System/Metric_System.htm • Science Lab Equipment: http://staff.tuhsd.k12.az.us/jerwilliams/Science%20Lab%20Equipment.htm

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