Page 79 - Computer Genius Class 03
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You have learnt about Scratch in your previous chapter. Scratch is a software which helps you
                 to create many games. There are many versions of Scratch. The latest version is Scratch 3.0.
                 You know that Scratch blocks are divided into different categories. Each block performs a

                 different function. Let us recall some previous tasks and also learn about these blocks in
                 detail.
                 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 Block


                 The blocks that are used to control the movement of a Sprite are known as Motion blocks.
                 They are in blue color. 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.

                    Use                 to tell the Sprite to follow one of the two given options: the mouse
                   pointer or a random position.














                              block makes the Sprite flip over if it touches the edge of the screen.
                                    block is used to set the rotation style of a sprite. The
                   options to choose from are left-right, all around and don’t rotate.

                 Looks Block

                 The blocks in purple colour are Looks blocks. They control how a Sprite appears
                 on stage.





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