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• Back Drop: It is a background of the stage.

• Tabs: Scratch has mainly three tabs which are described below.
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 sprite and backdrop.

BLOCK CATEGORIES

The blocks in Sprite are divided into different categories based on their functions. In most of these
blocks, you can change the value in the block to suit your script.

Motion Looks Sound Events Control Sensing Operators Variables My Blocks

Motion Blocks

The blocks that are used to control the movement of a Sprite are known as Motion blocks. They are
blue in colour. Some of the commonly used motion blocks are:

block lets the Sprite move forward (in the direction it is facing) the number of steps
given in the text box in the block. When we write the value with a minus (–) sign, the Sprite moves
backward, e.g., move – 10 steps .

block lets the Sprite turn in clockwise direction by the given degrees and
block turns Sprite in anti-clockwise direction by the given degrees.

To make the Sprite jump to a new position on the stage, use block. This block gives the
x and y position of the Sprite on the stage.

Scratch Programming 55