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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 block palette.

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

Stop Button: It stops all the running programs, when clicked.

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 77