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                          Double Tap                                                        Century   #Critical Thinking
                                                                                             Skills

                        1.  Name two audio file types that can be inserted in a presentation.


                        2.  Find the odd one out.

                           a.  .mpeg             b. .wmv           c.  .mp4          d. .mp3


                           Interdisciplinary Learning

                           #Science


                   Create a presentation on "Green House Effect".

                   1.  Add information about how green houses work.
                   2.  Insert a video of how the Green House Effect occurs.


                                                                                                          #Lab Activity


                      ADDING ACTION BUTTONS


                 Action buttons  help  other people using  our presentation in navigating  from one slide to
                 another. We can also assign a particular task to do, when the viewer of the presentation clicks
                 on an action button. To add an action button, follow these steps:
                                                                                                      1
                                                                            Click on the Insert tab.



                                           2   Click on Shapes
                                               button.




















                                      Select the desired action
                                      button from the Action
                                  3   Buttons category.






                                                                                Advanced Features of  PowerPoint 2021  53
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