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Scratch is a colourful and easy-to-use tool that lets you drag and drop blocks to make
your ideas come to life.
The Scratch window is the main environment where users create and develop their
Scratch projects.
The default Sprite in Scratch 3.0 is a cat, which can move and interact with the backdrop.
The Paint option helps you draw your own sprite using a costume editor window.
The Surprise option adds a random sprite to your project from the built-in sprite library.
The Upload Sprite option allows you to upload an image file from your computer to use
as a sprite in your Scratch project.
A costume is the appearance or pose of a sprite.
The background of the stage is called a backdrop.
In Scratch, blocks are the basic tools you use to make your programs.
Motion blocks are blue and are used to control how sprites move on the Stage.
In Scratch, the Looks blocks are used to change how sprites or backdrops appear.
Events blocks are used to trigger actions when certain conditions happen.
Operator blocks in Scratch are used for performing mathematical calculations, making
comparisons, and handling text (referred to as strings).
Sensing blocks in Scratch are used to detect different conditions and interactions within
a project, such as when sprites touch something, track the mouse's position, or measure
time.
In Scratch, variable blocks are used to store and manage data values that can change
throughout a project.
Control blocks in Scratch manage the flow of a program.
In Scratch, Pen blocks are green and allow sprites to draw on the Stage as they move.
Learning Scratch 67

