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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.
Backdrop: It is the background of the stage.
Tabs: Scratch has mainly three tabs which are described as
follows:
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.
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.
Features of Scratch
Scratch has several features. Some of them are discussed here.
Easy to understand and learn.
It has tools for creating interactive stories, games, art and more.
Predefined blocks are snapped together to create the project.
It has its own paint editor and sound edition.
Introduction to Scratch 71

