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Review#1(measurements)
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Review#1(measurements)

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Review#1(measurements) Review#1(measurements) Presentation Transcript

  • L.O: REVIEW MEASURINGTEMPERATURE, AIRPRESSURE, DEWPOINT,HUMIDITY, LENGTH ANDDENSITY.
  • A MEASUREMENT USESNUMBERS TO DESCRIBEPROPERTIES OF OBJECTS.EX: LENGTH, TEMPERATURE, AIR PRESSURE,DEWPOINT AND HUMIDITY ARE SOME MEASURABLEQUANTITIES
  • INSTRUMENTS ARE USED TO MEASURETHE QUANTITIES OF PROPERTIES OFOBJECTS.I MUST KNOW THE FOLLOWING INSTRUMENTS ANDWHAT THEY MEASURE:
  • THERMOMETER MEASURES TEMPERATUREIN CELSIUS, FAHRENHIET AND KELVINESRT PAGE 13 SHOWS HOW TOFAHEHRENHEIT, CELSIUS AND KELVININTO EACH OTHER.
  • NOW COMPLETE TYPICALTEMPERATURE QUESTIONSON WORKBOOK PAGE 142-143
  • BAROMETER measures air pressure inMILLIBARS (mb) and INCHES OF hg. (inchesof mercury)
  • On the regents, I might be asked to drawISOBARS. ISOBARS: connect points withequal pressure readings.
  • On the regents, I might be asked to drawISOBARS. ISOBARS: connect points withequal pressure readings.
  • Winds are caused by pressure differences.Winds flow from high pressure to lowHIGH PRESSURE
  • Surface winds are most likely blowingfrom• a. Danbury toward NewYork City• b. Poughkeepsie towardScranton• c. Binghamton towardDanbury• d. Port Jervis towardBinghamton
  • ISOBARS are always drawn in intervals of 4millibars: 1000, 1004, 1008, 1012, 1016….
  • ISOBARS are always drawn in intervals of 4millibars: 1000, 1004, 1008, 1012, 1016….
  • STRONGEST WINDS ARE WEARISOBARS ARE CLOSE TOGETHER.
  • WHERE IS THE STRONGEST WINDS?•A•B•C•D
  • ESRT page 13 can be used for airpressure questions.
  • Read page 145.complete typical air pressurequestions.
  • PSYCHROMETERS: measure dewpoint andhumidity.
  • PSYCHROMETERS are made of twothermometers: a “wet bulb” and a “drybulb”.
  • 1st: one finds the difference between the“wet bulb” and “dry bulb”. 2nd: one usesone of the charts on ESRT page 13.
  • Now some typical dewpoint/relative humidity (psychrometer)questions page 131- page 141
  • ANONEMETER MEASURES WIND SPEED.WIND VANE MEASURES WIND DIRECTION.
  • LENGTHComplete page 16-17 in workbook.
  • DENSITYComplete page 38- 40 in workbook.
  • WATER IS WEIRD.For all other substances, the solid phases is thedensest.WATER IS DENSEST AT 4 DEGREES CELSIUS.