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scratch programming

5 comp - An Introduction to Scratch Programming

QuestionAnswer
What is Scratch? A block-based, high-level, visual programming language used to create games, stories, and interactive art.
What is a program? A set of instructions given to the CPU in a proper sequence to complete a task.
What is syntax? The grammar of a computer language.
What is programming? The process of writing a program.
What are the two major categories of computer languages? Low-Level Language (LLL) and High-Level Language (HLL).
What is a Low-Level Language? A machine-dependent programming language that is closer to machine code.
What is a High-Level Language? A machine-independent programming language that is closer to human readable language.
Who developed Scratch and in what year? Mitchel Resnick in the year 2007.
What is a Sprite? An object or actor that we see on the Scratch stage.
What is the Stage? The main working area to draw or perform actions where the output of the program is shown.
What is a Backdrop? The background of the stage.
What is the Blocks Palette? The area that contains various predefined blocks used to create scripts.
What is the Coding Area? The area where blocks are dragged from the Blocks Palette to create a script/program.
What is a Script? A collection of stacked blocks that gives instructions to the computer; also called a program.
What is the function of the Go button (green flag)? To run a Scratch program.
What is the function of the Stop button (red circle)? To stop the project from running.
What are the three tabs in the Scratch window? Code, Costumes, and Sounds.
What is the purpose of the Code Tab? It contains nine block categories (Motion, Looks, etc.) used to create scripts.
What is the purpose of the Costumes Tab? To add and make changes in the appearance of sprites and backdrops.
What is the purpose of the Sounds Tab? To add and make changes in the sounds of sprites and backdrops.
How do you change the appearance of a sprite? Click on the Costumes Tab, select the sprite, and use the Fill and Outline options to change colors.
How do you choose a new sprite from the library? Click the 'Choose a Sprite' button and select a sprite from the library.
How do you delete a sprite? Select the sprite in the Sprites Info Pane and click the Delete icon, or right-click on the sprite and select Delete.
How can you resize a sprite? Select the sprite in the sprites info pane, click inside the Size text box, and type a new number.
How do you choose a backdrop? Click the 'Choose a Backdrop' button to open the library, then select the backdrop you want to use.
What are Scratch blocks? Codes or commands, shaped like puzzle pieces, that are used to create programs.
What are Motion blocks used for, and what is their color? They are used to control the sprite's movement and are color-coded dark blue.
What is an example of a Motion block? move 10 steps or turn 15 degrees.
What are Events blocks used for, and what is their color? They are used to sense events to start scripts and are color-coded yellow.
What is the primary Events block? when green flag clicked.
What are Control blocks used for, and what is their color? They are used to control the scripts with loops and conditions and are color-coded amber.
What are Sound blocks used for, and what is their color? They are used to control sound playback and volume and are color-coded dark pink.
How do you enter Full Screen mode? Click the Full Screen Control button on the top right corner.
How do you exit Full Screen mode? Press the Esc key or click the Full Screen Control button again.
What are the steps to save a project? 1. Click on the File tab. 2. Select 'Save to your computer'. 3. Choose a location and type a file name. 4. Click Save.
How do you exit Scratch? Click the Close button in the Title Bar. If prompted, choose 'Leave' to close without saving or 'Stay' to return.
What is a programmer? A person who writes programs.
What is the main purpose of a program? To give a computer a set of instructions to complete a task.
Created by: learnloop
 

 



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