Page 1 - 3-Concept Map-Home Assignment-Air Around Us
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SAI INTERNATIONAL SCHOOL
                                                      Class - VI
                                               Subject - Chemistry
                                              Topic – Air around Us

                                      Sub-Topic – Concept Mapping

                                                Home Assignment




                                        Concept - Atmosphere, Properties of Air
          Q1.    Define atmosphere.                                                                       1
          Q2     Fill in the blanks:-                                                                     1
                 Air is a______________, ______________and tasteless substance.

          Q3     Mention any two layers of the atmosphere.                                                1
          Q4     A football contains air in it. __________ property of air is associated with the         1
                 statement.
          Q5     What is wind?                                                                            1
                                                     Concept - Composition of Air
          Q1.     A gas produced during respiration is                                                    1

                    a)  Oxygen
                    b)  Nitrogen
                    c)  Carbon dioxide
                    d)  Hydrogen

          Q2     Name the gas which is filled in the chips packet.                                        1
          Q3     Write the percentage of carbon dioxide and remaining gases(excluding O2  and             1
                 N2). In the atmosphere.
          Q4     Name the component of air which generally exists in three states of matter.              1
          Q5     As you go higher, the air layer                                                          1
                    a)  Gets thicker
                    b)  Gets thinner
                    c)  Remains the same
                    d)  Contains more nitrogen

                                                        Concept - Role of Atmosphere

          Q1.    Which of the following gas helps in the water cycle?                                     1
                    a)  Carbon dioxide
                    b)  Water vapour
                    c)  Oxygen
                    d)  Nitrogen

          Q2     Name the device used to find the speed of the wind.                                      1
          Q3     Why do all plants require nitrogen?                                                      1
          Q4     Indicate the effect of the water cycle.                                                  1
          Q5     What are the two important processes that help to maintain the balance of oxygen  1
                 and carbon dioxide in the air?



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