Page 79 - Digital_Kids_4

Motion Blocks define the movement of sprites.

Looks Blocks change the appearance and costumes of sprites.

Sound Blocks control the playback and volume of audio files and musical notes.

Events Blocks are used to control events and the triggering of scripts.

Control Blocks control the execution of a script based on predefined events.

Sensing Blocks let multiple sprites interact with themselves.

Operators Blocks perform mathematical functions within the project.

Variables are used to store data, like names, in projects.

My Blocks are used to create your own blocks.

A Scratch Program to Show the Movement of Sprite

Step-1: Open Scratch and click on the Motion block. This block is selected by default.

Step-2: From the Motion block, click on the block and drag it to the
Script Area.

Step-3: Change the value of the Move block by clicking on number 10 and writing 20.

Step-4: Drag the block and attach it to the Move block.

Step-5: Click on the Move block to move the sprite.

A Scratch Program to Draw a Square

Step-1: Open Scratch.

Step-2: Click on the Pen block and drag the block in the Script Area.

Step-3: Click on the block and drag it to the Script Area just below

the previous block to attach it.

Step-4: From the Motion blocks, click on the Move block and drag it to the

Script Area. Replace the value of steps from 10 to 20.

Step-5: Click on the Turn block and drag it just below the previous block

to attach both blocks. Replace the value of steps from 15 to 90.

Step-6: Click on the first block 4 times to draw a colourful square.

79 Computer — 4