ARTICLE WORKSHEET #3 
 
EXERCISE 
Add A or AN when appropriate. 
 
_____ Amazonian tributary 
_____ abandoned mill 
_____ amateur boxer 
_____ ambient noise 
_____ epidemic 
_____ emesis basin 
_____ Eastern Diamondback Rattlesnake 
_____ elbow 
_____ Egyptian pyramid 
_____ ibex 
_____ ice storm 
_____ inorganic compound 
_____ insane asylum 
_____ inflammatory disease 
_____ oatmeal cream pie 
_____ obedient pet 
_____ older man 
_____ ointment 
_____ overachiever 
_____ overabundance 
_____ ozone hole 
_____ United Arab Emirates scholar 
_____ UEA delegate 
_____ utopian society 
_____ United States naval officer 
_____ UNIX guru 
_____ UTA bus driver 
_____ UVU professor 
 
 
EXERCISE 
Add A, AN, or THE when appropriate. 
 
_____ atmosphere of _____ earth is composed of air.  _____ weight of _____ air relates to our weather.  
Low pressure areas have less atmospheric mass while high pressure systems have more atmospheric 
mass.  In other words, when you see _____ barometer, _____ instrument for measuring _____ 
atmospheric pressure of _____ area, and you have _____ high-pressure reading, then _____ weather is 
generally good.  However, if _____ barometer has _____ low pressure reading, then _____ storm or 
some other form of severe weather may be approaching.  On _____ barometer, _____ high pressure 
reading is generally 30.5 to 31+ while _____ low pressure reading is generally anything below 29.9.  
Strong storms such as hurricanes may have _____ extremely low reading, particularly inside of _____ 
eye of _____ hurricane, where extremely low barometric pressure readings may be possible.