Page 176 - ภาษาอังกฤษสำหรับสายวิทยาการอุตุนิยมวิทยา
P. 176

171


                          d.    Arrow a indicates the upward currents that are produced when
                          warm_________________________ air ______________________ .

                          e.   Arrow b indicates the downward currents produced when
                                 cool_____________________ air ______________________________ .

                          f.   Arrow c indicates a current parallel to the ground, the current from the cooler

                               area to the warmer area is called _________________________________ .


                         5.    Use the information you studied in Unit 006-2A to answer at least 16 of the
                          following 19 questions correctly.
                          a.   What is the direction of air flow between a high pressure system and a low
                               pressure system?

                                _______________________________________________________________

                                _______________________________________________________________

                          b.  What two actions normally take place when air is warmed?

                               _______________________________________________________________
                               _______________________________________________________________


                          c.  What two actions normally take place when air is cooled?

                              ________________________________________________________________

                              ________________________________________________________________

                          d.  What is the effect of cooling on the density of air?
                              ________________________________________________________________

                              ________________________________________________________________

                          e. What is the effect of warming on the density of air?

                              ________________________________________________________________

                              ________________________________________________________________
                          f. the general direction and height of the warm air f the equator?

                                  ________________________________________________________________


                                  ________________________________________________________________
   171   172   173   174   175   176   177   178   179   180   181