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    21 st
                    LAB ACTIVITY                                                            Century   #Creativity
                                                                                             Skills  #Technology Literacy
                        Create the given scene in Scratch.

                        Run the given script and get the output.

                         a.                                       b.

                             when       clicked                        when       clicked

                              move 100       steps                      move      15   steps
                              turn       90   degrees                   turn       45   degrees
                                                                        say   Hello!

                              COding Zone       COding Zone    {}      =     COding Zone#Critical  Thinking
                                                                                                    21 st
                                    {C ding z ne}
                                                                                                                 []
                                                                                                 Century
                                                                                                   Skills
                                                                                                        COding Zone
                                                                              </>
                         1.   The word DOOR is coded as 25. This is done by adding the positions of the
                             alphabet  and  then  writing  the  result  backwards.  So,  DOOR=  4+15+15+18=52
                             reverse of 52 gives 25.
                               Now, solve the following in the same way:

                              a.  BOOK __________                      b.  MEDICINE __________

                         2.   Four children, A, B, C and D, are standing side by side.

                               C is to the right of D and to the left of B, whereas A is at the extreme left. Who
                             is in first place?

                           ___________________________________________________________________

                        FOR THE TEACHER
                       •  Explain all the components of the Scratch window.
                       •  Demonstrate the various features and uses of blocks.

                                                                                     Introduction to Scratch Programming  85

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