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    Script: It is defined as one or a set of blocks that begins with a hat block.

                       Title Bar: It is present at the top of the Scratch window. It shows Scratch written
                       on the left. The right side of the Title Bar has the three control buttons: Minimize,

                       Maximize /Restore and Close.

                       Block palette: It displays the categories of blocks based on their functions and
                       uses. There are mainly ten types of blocks available in Scratch 3.

                       Backdrop: It is the background of the stage.
                       Stage Area: It is a place where you will see all the action happening.

                       Coding Area: It is a place where you drag blocks and join them to create your

                       code.
                       Sprite Info Pane: It shows all the details of sprites and backdrops used in a project.

                       You can add, delete, see the name and location, increase and decrease the size of
                       a sprite. Similarly, you can add or change the backdrop.

                       Add Extension: It takes us to menus of extension from where we can add extra
                       blocks to the blocks palette.

                       Go Button: It is the green flag and when you click on it, it runs a Scratch program.

                       Stop Button:  It is  the  red button  that,  on clicking,  stops  the  running Scratch
                       program.

                       Menu Bar: It contains options and commands related to the projects that you
                       create in Scratch. The options are File, Edit, Tutorials and name of the Scratch
                       project.

                       Tabs: It has mainly three tabs:

                         Code Tab: It contains block categories and the list of blocks in a category. Some
                           block  categories  are—Motion,  Looks,  Sound, Pen,  Events,  Control,  Sensing,

                           Operators, Variables and My Blocks. Each block performs a task in a project.
                         Costumes Tab: In this tab, you can add and make changes to the appearance

                           of the sprites and backdrops.

                         Sounds Tab: In this tab, you can add and make changes to the sounds of the
                           sprite and backdrop.

                          Tick ( ) if you know this.

                          ▶   Scratch is a visual programming language.

                          ▶   The person who writes these programs is known as a programmer.

                                                                                     Introduction to Scratch Programming  89

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