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    Stop Button: It is the red button which on clicking stops the running Scratch

                         program.

                         Sprites Info Pane: It is just below the Stage area. It shows all the details of the
                         sprites and backdrops used in a project. You can add, delete, see the name and

                         location, increase and decrease the size of a Sprite and a backdrop. You can
                         also create new Sprites and backdrops in Scratch.

                         Blocks Palette: It displays the categories of blocks based on their functions

                         and uses. These blocks within the same category share the same colour which
                         allows better distinction of the parts of a program.

                         Coding Area: It is also called the scripts area where you stack your blocks to

                         create scripts. If you save a project with a script, the script will also be saved.
                         When we click on a script, all the blocks execute from top to bottom.

                         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. All
                         block categories are of different colours. In scratch,

                         each block performs a task in a project. The blocks connect to each other like a
                         jigsaw puzzle and create scripts.

                        Backdrop: It is the background of the stage.

                         Tabs: Scratch has mainly three tabs which are described as follows:

                            Script: Script is a collection of a number of stacked blocks. It gives stepwise
                            instructions to a Sprite to do something on the stage.

                            Script is actually a program which gives instructions in the form of blocks.

                            A script must have at least two blocks.

                            Costumes Tab:  In  this tab,  you  can  add  and
                            make changes in the appearance of the Sprites

                            and backdrops.

                            Sounds  Tab:  In this tab,  you can  add  and
                            make changes in the sounds of the Sprites and

                            backdrops.

                                                                                            Introduction to Scratch      73

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