h15(<[ ` p*mfcbc= J !"#$G%& &'V(2))*s+. FWEATHER IS THE TOTAL EFFECT OF TEMPERATURE, PRESSURE, HUMIDITY AND WIND AT ANY MOMENT IN TIME. HYET, ALMOST ALL CHANGES IN WEATHER ARE CAUSED BY THE UNEQUAL HEATING OF THE EARTH'S _____. ATMOSPHERE AIR HVERY GOOD! UNEQUAL HEATING OF THE EARTH'S ATMOSPHERE CAUSES NEARLY ALL CHANGES IN THE WEATHER. JI GET THE FEELING YOU ARE STILL YAWNING. PLEASE TYPE ... ATMOSPHERE. BTHESE CHANGES IN TEMPERATURE AFFECT THE OTHER 3 PROPERTIES OF ,WEATHER (HUMIDITY, PRESSURE AND WINDS). BLET'S LOOK AT TEMPERATURE BY SEEING HOW IT AFFECTS THESE OTHER 3 PROPERTIES. DIF ALL THE WATER VAPOR IN THE EARTH'S ATMOSPHERE WERE TO FALL AS DRAIN, RIGHT NOW, HOW THICK A LAYER OF WATER WOULD IT FORM ON THE SURFACE OF THE EARTH? . PLEASE GIVE BOTH THE MEASURE AND ITS UNIT. GUESS 1 _____. 1 INCH ONE INCH 1 IN 1 IN. 6VERY GOOD! IT'S REALLY NOT VERY MUCH WATER IS IT? @:THE MEASURE IS CORRECT BUT YOU'VE FORGOTTEN THE UNITS. MILE MI HO! JUST CALL YOU NOAH!! PLEASE TRY AGAIN. FEET FT .YOU'RE SWIMMING AND YOU DON'T NEED TO BE. PLEASE TRY AGAIN. 1 FOOT YOU'RE MUCH TOO DEEP. PLEASE TRY AGAIN. $ WOW!!! :YOU ARE REALLY HAVING TROUBLE. THE ANSWER IS 1 INCH. * PLEASE TYPE ... 1 INCH 1 DOBVIOUSLY WATER VAPOR IS NOT PRESENT IN VERY LARGE AMOUNTS. BUT IT SURE IS IMPORTANT TO US. >WITHOUT WATER IN THE ATMOSPHERE OUR EARTH WOULD BE A LARGE BARREN _____. LREMEMBER, AT ANY TIME YOU CAN ASK FOR A HINT BY SIMPLY TYPING ... HELP. (MORE THAN ONE HINT MAY BE AVAILABLE. $NOW PLEASE ANSWER THE QUESTION. THE MOHAVE IS ONE. THE GOBI IS ONE. THE SAHARA IS ONE. 8 O.K. THE ANSWER IS DESERT. PLEASE TYPE ... DESERT. DESERT DRIGHT! OUR EARTH WOULD BE A LARGE BARREN DESERT WITHOUT WATER. DESSERT :GOOD EATING! BUT, THE WRONG SPELLING FOR OUR PURPOSE. PLEASE TRY AGAIN. DSORRY, I CAN'T ACCEPT THAT ANSWER. ASK FOR HELP AND TRY AGAIN. DIT WOULD BE VERY HOT IN THE DAY TIME, AND TERRIBLY COLD AT NIGHT 0AND THERE WOULD BE CONSTANTLY RAGING WINDS. 4WATER CAN EXIST AS A SOLID, A LIQUID OR A _____. GAS HA WAY AHEAD OF ME AREN'T YOU. WATER CAN EXIST AS A SOLID, A LIQUID OR A GAS. TYPE ... GAS FTHE DIFFERENCE BETWEEN WATER AS A SOLID, A LIQUID AND A GAS IS THE 6AMOUNT OF _____ CONTAINED IN THE WATER MOLECULES. 0 HEAT, LIGHT AND ELECTRICITY ARE FORMS OF IT. CANDY GIVES YOU EXTRA OF IT. J IN WINTER OUR HOMES SHOULD BE KEPT COOLER BECAUSE OF THE _____ CRISIS. D I'M RUNNING OUT OF ENERGY TRYING TO GET YOU TO GUESS THE ANSWER. PLEASE TYPE ... ENERGY ENERGY DRIGHT! THE DIFFERENCE BETWEEN WATER AS A SOLID, A LIQUID AND A BGAS IS THE AMOUNT OF ENERGY CONTAINED IN THE WATER MOLECULES. ASK FOR HELP AND TRY AGAIN. FFOR EXAMPLE, TO CHANGE WATER FROM A LIQUID TO A GAS, ENOUGH _____ FMUST BE ADDED TO FREE THE LIQUID MOLECULES FROM THE FORCES HOLDING THEM TOGETHER. J IN WINTER OUR HOMES SHOULD BE KEPT COOLER BECAUSE OF THE _____ CRISIS. PLEASE TYPE ... ENERGY ENERGY FRIGHT! ENOUGH ENERGY MUST BE ADDED TO FREE THE LIQUID MOLECULES. HEAT 6HEAT IS ONE FORM. SO IS LIGHT. SO IS ELECTRICITY. PLEASE TRY AGAIN. &PLEASE ASK FOR HELP AND TRY AGAIN. B THE ANSWER IS ENERGY. ENOUGH ENERGY MUST BE ADDED TO FREE THE $LIQUID MOLECULES. LET'S GO ON. DA CALORIE IS A UNIT OF HEAT ENERGY. IT TAKES 1 CALORIE TO RAISE :THE TEMPERATURE OF 1 GRAM OF LIQUID WATER 1 DEGREE C. DTHIS MEANS IT TAKES 1 CALORIE OF HEAT ENERGY TO CHANGE 1 GRAM OF 0WATER FROM 99 DEGREES C. TO _____ DEGREES C. 100 FEXCELLENT! YOU ARE ON THE BALL!! 1 CALORIE WILL RAISE 1 GRAM OF .WATER FROM 99 DEGREES C. TO 100 DEGREES C. "THINK ABOUT IT AND TRY AGAIN. DBUT, IT TAKES 600 CALORIES TO CHANGE THAT SAME 1 GRAM OF LIQUID >WATER AT 100 DEGREES C. TO STEAM ALSO AT _____ DEGREES C. --- ALSO AT --- TYPE ... 100 100 WELL DONE! H600 CALORIES WILL CHANGE 1 GRAM OF WATER AT 100 DEGREES C. TO STEAM ALSO AT 100 DEGREES C. ASK FOR HELP AND TRY AGAIN. FTHE 600 CALORIES CHANGED THE STATE OF THE WATER. NOW ADDING MORE DCALORIES WILL RAISE THE TEMPERATURE OF THE STEAM (WATER VAPOR). 6MOST WATER VAPOR IN THE AIR COMES FROM THE _____. SAILING, SAILING OCEAN OCEANS SEA SEAS BEXCELLENT! THE OCEANS ARE THE MAJOR SOURCE OF WATER VAPOR IN THE AIR. LAKES STREAMS PONDS ,YOU THINK TOO SMALL. PLEASE TRY AGAIN. HSORRY, I CAN'T ACCEPT YOUR ANSWER. PLEASE TRY AGAIN OR TYPE 'HELP'. DMILLIONS OF _____ OF WATER EVAPORATE EACH DAY FROM THE SURFACE OF THE SEAS. TONS T BHARD TO BELIEVE ISN'T IT? MILLIONS OF TONS OF WATER EVAPORATE FROM THE OCEANS EACH DAY. POUNDS LB THE AMOUNT OF _____ _____ IN THE AIR IS CALLED HUMIDITY. 0 (YOU WILL NEED 2 WORDS FOR THIS ANSWER.) THE FIRST WORD IS "WATER". WATER VAPOR BVERY GOOD! HUMIDITY IS THE AMOUNT OF WATER VAPOR IN THE AIR. :SORRY, I CAN'T ACCEPT YOUR ANSWER. PLEASE TRY AGAIN. J THE CORRECT ANSWER WAS "WATER VAPOR". HUMIDITY IS THE AMOUNT OF WATER (VAPOR IN THE AIR. LET'S NOW GO ON. FWE CAN PASS AIR OVER A CHEMICAL AND REMOVE THE WATER FROM THE AIR. $THIS WATER CAN THEN BE WEIGHED. FTHIS DIRECT MEASUREMENT OF WATER VAPOR IN A CERTAIN VOLUME OF AIR IS CALLED ABSOLUTE _____. * PLEASE REVIEW THE PRECEDING QUESTION. PLEASE TYPE ... HUMIDITY HUMIDITY BYES SIRREE!!! ABSOLUTE HUMIDITY IS THE WEIGHT OF WATER IN A CERTAIN VOLUME OF AIR. WEIGHT :NO. WE ARE MEASURING WATER VAPOR. PLEASE TRY AGAIN. DI CAN'T ACCEPT THAT ANSWER. PLEASE ASK FOR HELP AND TRY AGAIN. 8THE ABILITY OF AIR TO HOLD WATER CHANGES WITH _____. @ REMEMBER, IN SUMMER, IT IS MORE LIKELY TO RAIN AROUND 8 P.M. THAN AT 2 P.M. THERMOMETERS MEASURE IT. TEMPERATURE JGOOD!!! TEMPERATURE CHANGES THE ABILITY OF AIR TO HOLD WATER VAPOR. DYOUR ANSWER IS UNACCEPTABLE. PLEASE ASK FOR HELP AND TRY AGAIN. FTHIS MEANS A ROOM FULL OF WARM AIR CAN HOLD MORE MOISTURE THAN THE >SAME ROOM FULL OF _____ _____ . (YOU WILL NEED 2 WORDS.) COOL AIR COLD AIR DWELL DONE!!! WARM AIR CAN HOLD MORE WATER VAPOR THAN COOL AIR. HOT AIR WARM AIR "WRONG WAY. PLEASE TRY AGAIN. 8SORRY, I CANT ACCEPT THAT ANSWER. PLEASE TRY AGAIN. >AIR THAT IS HOLDING ALL THE MOISTURE IT CAN AT ITS PRESENT >TEMPERATURE IS SAID TO BE AT ITS MAXIMUM ABSOLUTE _____ OR SATURATION VALUE. B WE ARE STILL DISCUSSING THE AMOUNT OF WATER VAPOR IN THE AIR. HUMIDITY RIGHT!!! HAIR AT ITS MAXIMUM ABSOLUTE HUMIDITY OR SATURATION VALUE IS HOLDING :ALL THE WATER VAPOR IT CAN AT ITS PRESENT TEMPERATURE. :SORRY, I CAN'T ACCEPT THAT ANSWER. PLEASE TRY AGAIN. D THE CORRECT ANSWER WAS "HUMIDITY". AIR AT ITS MAXIMUM ABSOLUTE BHUMIDITY OR SATURATION VALUE IS HOLDING ALL THE WATER VAPOR IT 6CAN AT ITS PRESENT TEMPERATURE. LET'S NOW GO ON. DIF YOUR TIME ON THE COMPUTER SHOULD RUN OUT, OR IF YOU ARE TIRED DAND WOULD LIKE TO TAKE A LITTLE REST YOU MAY SIGN OFF. YOU MAY HDO THIS AT ANY TIME BY SIMPLY HOLDING THE RED "CTRL" BUTTON TO YOUR FLEFT WHILE YOU PRESS C. THIS WILL TAKE YOU OUT. YOU WILL NEED TO :ONLY TYPE "BYE" AND CONFIRM IT WITH "YES" TO SIGN OFF. .WHEN YOU ARE READY TO MOVE ON TYPE ... GO GO BYOU LOSE UNTIL YOU TYPE GO. NOW QUIT THE FOOLING AROUND AND TYPE ... GO DTHE HUMIDITY OF THE AIR IS OFTEN SHOWN BY COMPARING ITS PRESENT BABSOLUTE HUMIDITY WITH ITS POSSIBLE MAXIMUM ABSOLUTE HUMIDITY. $ WOW!!! $ WHAT A MOUTHFUL!! 0 LET'S GO OVER THAT ONE SLOWLY. OK? $ PLEASE TYPE ... OK OK *C'MON! LET'S GET IT ON. TYPE ... OK FTHIS METHOD OF MEASURING HUMIDITY COMPARES THE AMOUNT OF MOISTURE .NOW IN THE AIR WITH HOW MUCH IT CAN HOLD. >THIS METHOD OF STATING HUMIDITY IS CALLED RELATIVE _____ . 4 RUSS MONTGOMERY USES IT IN HIS WEATHER REPORTS. TRY ... 'HUMIDITY'. HUMIDITY GOOD!!! &PLEASE ASK FOR HELP AND TRY AGAIN. :RELATIVE HUMIDITY IS ALWAYS GIVEN AS A _____ _____ . , (YOU CAN USE 2 WORDS OR 1 SYMBOL.) 4 RUSS MONTGOMERY USES IT IN HIS WEATHER REPORTS. 0 TONIGHT THE RELATIVE HUMIDITY IS 85 ___ ___. PER CENT PERCENT % (ABSOLUTE HUMIDITY) REQUIRES A LOT OF TIME AND EQUIPMENT. H WE HAVE BEEN STUDYING HUMIDITY WHICH IS THE _____ _____ IN THE AIR. PLEASE TYPE ... WATER VAPOR WATER VAPOR HYOU'RE TOO GOOD TO ME! IT DOES TAKE A LOT OF TIME AND EQUIPMENT TO 2ACCURATELY MEASURE THE WATER VAPOR IN THE AIR. @SORRY, I CAN'T ACCEPT YOUR ANSWER. PLEASE ASK FOR HELP AND TRY AGAIN. FA LESS ACCURATE BUT MORE CONVENIENT METHOD IS TO USE A HYGROMETER. BA HYGROMETER IS AN INSTRUMENT USED TO MEASURE RELATIVE _____ . HUMIDITY JWHAT A HOT DOG! THE MOST CONVENIENT WAY TO MEASURE RELATIVE HUMIDITY IS WITH A HYGROMETER. C'MON! "THINK ABOUT IT AND TRY AGAIN. H THE CORRECT ANSWER WAS "HUMIDITY". THE MOST CONVIENT WAY TO MEASURE ,RELATIVE HUMIDITY IS WITH A HYGROMETER. LET'S NOW GO ON. BONE TYPE OF HYGROMETER IS A PSYCHROMETER (S-EYE-CHROME-EATER). DA PSYCHROMETER USES 2 THERMOMETERS. THE BULB OF ONE THERMOMETER FIS COVERED WITH A WET CLOTH. THE OTHER THERMOMETER IS LEFT _____. BLACK AND WHITE UP AND DOWN HOT AND COLD WET AND _____. DRY FVERY GOOD! A PSYCHROMETER CONSISTS OF A WET BULB THERMOMETER AND A DRY BULB THERMOMETER. DYOUR ANSWER IS UNACCEPTABLE. PLEASE ASK FOR HELP AND TRY AGAIN. FDRY AIR WILL CAUSE RAPID EVAPORATION FROM THE WET COVERING ON ONE FOF THE THERMOMETERS. THIS WILL CAUSE A _____ READING FOR THE WET BULB THERMOMETER. LOWER DRIGHT! THE DRYER THE AIR THE LOWER THE WET BULB READING DUE TO MORE RAPID EVAPORATION. HNO. THAT IS NOT CORRECT. LET'S GO A LITTLE SLOWER AND TRY IT FROM ANOTHER DIRECTION. FFOR 1 GROM OF LIQUID WATER TO BECOME WATER VAPOR WE MUST ADD _____ CALORIES. 600 RIGHT!!! &WHAT A SHORT MEMORY. TYPE ... 600 :WHEN YOUR ARM IS WET, FROM WHERE DOES THE ENERGY COME $TO CAUSE THE WATER TO EVAPORATE? IS 98.6 A HINT??? IS ____ HEAT A HINT? " AW... THE ANSWER IS BODY HEAT. BODY HEAT BODY HEAT EXCELLENT! AIR 4IN THIS CASE, LITTLE ENERGY COMES FROM THE AIR. PLEASE TRY AGAIN. PLEASE TYPE HELP. DWHEN YOU TRANSFER 600 CALORIES FROM YOUR ARM TO THE WATER, DOES "YOUR ARM GET COOLER OR WARMER? COOLER RIGHT YOU ARE ! ! ! WARMER HOLD. THE WARMER THE AIR THE MORE MOISTURE IT WILL HOLD. TEMPERATURE HEXCELLENT! TEMPERATURE IS A MAJOR FACTOR IN DETERMINING THE AMOUNT .OF WATER VAPOR A PARCEL OF AIR WILL HOLD. 4PLEASE TRY AGAIN. YOUR ANSWER WAS UNACCEPTABLE. 'H THE CORRECT ANSWER WAS "TEMPERATURE". TEMPERATURE IS A MAJOR FACTOR HIN DETERMINING THE AMOUNT OF WATER VAPOR A PARCEL OF AIR WILL HOLD. FWHEN THE AIR IS HOLDING ALL THE WATER VAPOR IT CAN AT IT'S PRESENT BTEMPERATURE IT IS SAID TO BE SATURATED OR AT ITS _____ VALUE. REMEMBER ITS SATURATED. PLEASE TYPE ... SATURATION SATURATION ,WELL DONE! LET'S KEEP UP THE GOOD WORK. &PLEASE ASK FOR HELP AND TRY AGAIN. FWHEN WE COMPARE THE AMOUNT OF MOISTURE IN THE AIR WITH HOW MUCH IT "CAN HOLD WE GET A _____ _____. . (PLEASE USE 1 SYMBOL OR 2 WORDS.) PLEASE TYPE ... PER CENT PER CENT PERCENT % @VERY GOOD! THE COMPARISON OF THE ABSOLUTE HUMIDITY TO THE 0SATURATION VALUE IS EXPRESSED AS A PER CENT. RELATIVE HUMIDITY HYES RELATIVE HUMIDITY IS A POSSIBLE ANSWER. BUT, I WANT YOU TO TELL .ME HOW THE RELATIVE HUMIDITY IS EXPRESSED. ( PLEASE TRY AGAIN. 4PLEASE TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. *PLEASE TYPE 'HELP' IF YOU REQUIRE IT. ,THIS PER CENT IS CALLED THE _____ _____. 4 RUSS MONTGOMERY USES IT IN HIS WEATHER FORCASTS. RELATIVE HUMIDITY >EXCELLENT! RELATIVE HUMIDITY IS EXPRESSED AS A PER CENT. *4YOUR ANSWER IS UNACCEPTABLE. PLEASE TRY AGAIN. . THE CORRECT RESPONSE IS RELATIVE HUMIDITY. 0WE MEASURE RELATIVE HUMIDITY WITH A _____ . A PSYCHROMETER IS ONE. PLEASE TYPE ... HYGROMETER. HYGROMETER BVERY GOOD! RELATIVE HUMIDITY IS MEASURED WITH A HYGROMETER. PSYCHROMETER 2A PSYCHROMETER IS ONE TYPE. PLEASE TRY AGAIN. ASK FOR HELP AND TRY AGAIN.  A PSYCHROMETER HAS 2 _____ . THERMOMETERS THERMOMETER >THAT WAS A "GIMMEE QUESTION" SINCE YOU ARE DOING SO WELL! ,$PLEASE TRY AGAIN. THINK ABOUT $IT BEFORE YOU MAKE MORE ERRORS. * I THOUGHT YOU'D GET THAT ONE FOR SURE. ,THE CORRECT ANSWER IS 2 'THERMOMETERS'. HONE THERMOMETER IS NORMAL. THE OTHER THERMOMETER HAS A SMALL "SOCK" &ON THE END. THE "SOCK" IS _____ . HOT AND COLD _____ AND DRY WET & W O W ! ! ! : I SURE CAN THINK UP SOME HARD ONES, CAN'T I? @A PSYCHROMETER HAS ONE WET BULB THERMOMETER AND ONE DRY BULB THERMOMETER. 4PLEASE TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. "TYPE 'HELP' IF YOU REQUIRE IT. FIF THE RELATIVE HUMIDITY IS _____ IT MEANS THERE IS ONLY A LITTLE DWATER VAPOR IN THE AIR COMPARED TO THE AMOUNT OF WATER VAPOR IT CAN HOLD. UP AND DOWN HIGH AND _____. LOW JEXCELLENT! A LOW RELATIVE HUMIDITY MEANS THE AIR CAN HOLD A LOT MORE .WATER VAPOR THAN IT IS PRESENTLY HOLDING. 4PLEASE TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. "TYPE 'HELP' IF YOU REQUIRE IT. DWHEN THE RELATIVE HUMIDITY IS LOW A LOT OF WATER WILL _____ FROM THE "SOCK". : REMEMBER THE PUDDLE THAT DISAPPEARS IN THE SUMMER SUN. PLEASE TYPE ... EVAPORATE EVAPORATE FWELL DONE! THE LOWER THE RELATIVE HUMIDITY THE GREATER THE AMOUNT "OF WATER THAT WILL EVAPORATE. DSORRY, I CAN'T ACCEPT THAT. PLEASE ASK FOR HELP AND TRY AGAIN. FTHIS MAKES THE "SOCK" COLDER, MAKING THE WET BULB THERMOMETER READ 6A _____ TEMPERATURE THAN THE DRY BULB THERMOMETER. HIGHER AND _____ PLEASE TYPE ... LOWER LOWER BRIGHT! EVAPORATION WILL LOWER THE TEMPERATURE OF THE WET BULB THERMOMETER. DPLEASE ASK FOR HELP AND TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. FVERY DRY AIR WILL CAUSE THE _____ _____ READING TO BE A LOT LOWER THAN THE DRY BULB READING. 0 (YOU WILL NEED 2 WORDS) DRY BULB AND _____ _____ WET BULB HEXCELLENT! DRY AIR WILL CAUSE THE WET BULB READING TO BE LOWER THAN THE DRY BULB READING. DPLEASE ASK FOR HELP AND TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. FWHEN WE KNOW THE READINGS OF THE TWO THERMOMETERS WE CAN FIND THE 2_____ _____ WITH THE HELP OF A SPECIAL CHART. RELATIVE ________. ________ HUMIDITY RELATIVE HUMIDITY VERY GOOD! NOW LET'S TRY THAT QUIZ. HUMQUZDPLEASE TYPE 'HELP' AND TRY AGAIN. YOUR ANSWER IS UNACCEPTABLE. LB HEXCELLENT! DRY AIR WILL CAUSE THE WET BULB READING TO BE LOWER THAN THE DR