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Sounds Tab: In this tab, you can add and make changes in the sounds of the sprite and
backdrop.
BLOCKS
Blocks are the codes or commands used to create a program in Scratch. It looks like a puzzle
piece and each block connects with the other block to perform a task.
Motion Block
The blocks that are used to control the movement of a sprite are known as Motion blocks.
They are blue in colour. For example, the motion block is used to move a sprite.
Here, 10 is the number of steps that the sprite will move forward. You can change the number
of steps . To make the sprite move backward, give a minus (–) sign before the number
as shown below . This will move the sprite 30 steps back on the stage.
The block allows you to rotate the sprite clockwise by a specified number of degrees.
Alternatively, you can use the block to rotate the sprite anticlockwise, depending
on your needs. The number of degrees specified in the Turn block can be customised to fit the
requirements of your project. For example, if you set the block to turn by 15 degrees, the sprite will
rotate 15 degrees in the chosen direction.
Looks Block
The blocks that are used to add speech and thought bubbles to the sprite are called Looks
Block. They are purple in colour.
For example, you want to add a speech bubble to the sprite for 2 seconds with a message
‘Hello!’ as shown .
You can change the message by clicking on the message text box and typing your own message.
You can also change the time by clicking on the time text box.
Events Block
This is the topmost block. It helps run the script on the stage as it controls the
starting of scripts. It gives you the control of all the blocks as without an event
block no program will run.
To run the script, you have to click on the Go button before the other blocks.
ADDING A SPRITE
When you open Scratch, the default sprite1 is the cat. The location of the sprite cat is at the
centre of the stage. Let us add another sprite to the stage.
110 Premium Edition-III

