Page 6 - welcome home to DMLS
P. 6

Delta Modern Language School
Grade 4
Date ......./......./………

Effects of burning of fossil fuel on the environment

 How is          Acid rains                Global warming
formed?                               • Increasing the amount of
          • Carbon dioxide gas
 Effects                                carbon dioxide gas in air
            combines with water in      that forms a layer in the
            the air to form carbonic    atmosphere.
            acid.
                                      • This layer traps heat on
          • Death of trees.
          • Decomposition and           Earth, so the Earth’s
                                        temperature increases
            dissolving of some          slowly causing the global
            rocks.                      warming
          • Chemical changes in the
            structure of soil.        • Increasing the temperature
                                        of the earth’s surface that
          • Chemical changes in the     cause climate change.

            structure of lakes that
            kill fish.

          Methods of conserving fossil fuels

1-Walking or using             2- Turning off the    3- Replacing fossil
 bicycles instead of           lights and electric  fuels with renewable
     driving a car            appliances while not
                                                          resources.
                                   using them

                                              9
   1   2   3   4   5   6   7   8   9   10   11