Page 81 - WoW Class 1 Book 2
P. 81

B.  Write ‘T’ for true and ‘F’ for false.


                    1.  A hot air balloon rises up because of hot air.

                    2.  Flying a kite shows that air occupies space.


                    3.  Plants do not need air.

                    4.  Storms are caused due to strong winds.


                    5.  Smoke from factories makes the air dirty.


               C.  Match the following.

                    1.  smoke from cars                                        a.  wind


                    2.  hot air                                                b.  air

                    3.  moving air                                              c.  storm


                    4.  present everywhere                                     d.  dirty air

                    5.  strong wind                                             e.  rises up


               D.  Answer the following questions.                                                                   ENVIRONMENTAL STUDIES

                    1.  Can we live without air?


                        ______________________________________________________

                    2.  Give two uses of air.

                        ______________________________________________________


                    3.  What do we mean by a dust storm?

                        ______________________________________________________

                    4.  What damage is caused by storm?

                        ______________________________________________________


                    5.  What makes air dirty?

                        ______________________________________________________





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