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    7                                 SCRATCH-2

                    Your Aim
                     7.1.  Blocks in Scratch
                     7.2.  “Flag” and “Stop” Buttons in Scratch
                     7.3.  Changing the Costume of the Sprite—Looks Block
                            7.3.1  “switch costume to…” Block
                            7.3.2  “next costume” Block
                     7.4.  Displaying Messages and Thinking Messages—“Looks” Block
                            7.4.1  “Say Hello! for 2 seconds...”.
                            7.4.2  “Say Hello!”.
                            7.4.3  “Thinking Hmm… for 2 seconds...”
                            7.4.4  “Think Hmm...”
                     7.5.  How to Save a Project?
                     7.6.  How to Open a Project?

                     7.1 BLOCKS IN SCRATCH

                                      Aryan: We  have  learnt so  much  interesting  things  in the  previous
                                      chapter. But you have only told me about Motion block. Are there any
                                      other blocks also present in Scratch?
                                      Gowri: Yes! There are 9 blocks present in Scratch.
                                      1.   Motion Block
                                      2.   Looks Block

                                      3.   Sound Block
                                      4.   Events Block
                                      5.   Control Block

                                      6.   Sensing Block
                                      7.   Operators Block
                                      8.   Variables Block
                                      9.   My Blocks
                                      We will visit them during the course.

                                                                                                                Fig. 7.1

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