Quick Check

Fill in the blanks.

1. Computer programming involves creating a set of instructions known as a program.
2. Scratch is a free visual programming language used for animations, games and interactive stories.
3. In Scratch, the area where animations come to life is called the stage.
4. Each image or character in Scratch is referred to as a sprite.
5. To make a Sprite move in Scratch, you use instructions from the Blocks palette.

Choose True or False for the following statements.

1. The Sound Block in Scratch is used to add colors to the Sprite. False
2. The Control Block helps in avoiding repetition of steps and includes actions like moving the sprite by pressing a key. True
3. A condition in programming must be false in order for something to happen. False
4. Saving a project in Scratch involves selecting the Save option from the File menu and then choosing the desired location. True
5. To open an already saved project, you need to click on the Edit menu and select the Open option. False

Time to Perform

A Tick the correct option.

1. What is Scratch primarily used for?
   a. Creating documents
   b. Creating music albums
   c. Creating animations, games, music, and interactive stories
   d. Creating spreadsheets.
2. Which palette in Scratch contains instructions to make the Sprite move and change its appearance.
   a. Script Area
   b. Stage Palette
   c. Sprite List
   d. Blocks Palette
3. What is a condition in programming?
   a. A type of Sprite
   b. A way to change the background color
   c. A step-by-step instruction
   d. Something that must be true for an action to occur
4. What is the purpose of the Sound Block in Scratch?
   a. Changing the position of the Sprite
   b. Adding text to the Sprite
   c. Adding sounds to the Sprite
   d. Changing the size of the Sprite
5. What is the first step to open an already saved Scratch project?
   a. Click on the Edit menu
   b. Click on the Save option
   c. Click on the File menu
   d. Click on the Start button

B Name the following.

1. The main working area in Scratch where the Sprite moves and animations are created. Stage
2. The area where you write stepwise instructions for a Sprite to perform a task in Scratch. Script Area
3. A category of blocks in Scratch that includes instructions to make the Sprite move, change direction, and more. Motion Block
4. A block in Scratch is used to avoid repetition of steps and control actions. Control Block

C Fill in the blanks.

1. By default, the Move block has 10 steps as the value.
2. A condition is something that must be true in order for something to happen.
3. A green flag is used to start the project.
4. Sound Block has the instructions to make the Sprite speak and add musical notes.
5. Sprite List displays the thumbnails of all the sprites in the project.

E Answer the following questions.

1. Who developed Scratch?
   Scratch is developed by the Lifelong Kindergarten group at the MIT Media Lab.
2. Explain the Block Palette with various categories.
   a. Motion Block: to make the sprite move and change directions.
   b. Pen Block: to provide a trail of the sprite.
   c. Sound Block: to make the sprite speak and add music.
   d. Control Block: to avoid repetition of steps.
3. Write the difference between Stage and Script Area.
   Stage is the main working area where the sprite moves.
   Script Area is the place where the user writes the script for the sprite.
4. How will you save a Scratch project?
   File→Save
   Enter file name and select the desired location.
   Click on the Save button.
5. Can you open an already saved Scratch project? How can this be done?
   Yes.
   File→Open
   Select the Project from the desired location.
   Click on the Open button.

Extra Questions.

1. A program written in English language is converted into machine language by a language processor.
2. The X and Y coordinates indicate the position of the Sprite on the Stage.
3. Cat is the default sprite in Scratch.
4. Each instruction is also called a command.
5. Scratch provides 4 cursor tools.
6. Stage Mode is used to interchange between small and large stage views.
7. The Red Flag is used for stopping the project.
8. The Presentation Mode is also known as View full screen mode.
9. The Sprite Info pane includes information about the selected sprite.
10. The source code of a program is written in one or more programming languages. True
11. GUI full form: Graphical User Interface
12. Name the four cursor tools.
    a. Duplicate – creates the duplicate of the selected sprite.
    b. Delete – deletes the selected sprite.
    c. Grow – increases the size of the sprite.
    d. Shrink – decreases the size of the sprite.
13. List the 4 ways to create a new sprite.
    a. Choose Sprite from Library
    b. Paint New Sprite
    c. Upload Sprite from File
    d. New Sprite from Camera