A Fill in the blanks with the correct words.

1. A variable is an element whose value can vary or change.
2. A Hat block has a notch at the bottom.
3. The value of the Boolean block is either True or False.
4. The sensing blocks are used to detect various digital and analog inputs.
5. The Forever block will run the programming code infinitely.

B Write T for the true statement and F for the false one. Correct the false statement(s).

1. The Data block is used to create a variable. T
2. The Hat blocks are used to start the execution of a project. T
3. The If block is executed when the condition evaluated is False. F (when the condition evaluated is True)
4. The Repeat block can be used to run the code continuously. T
5. Motion blocks are colour-coded green. F (colour-coded blue)

C Choose the correct option.

1. A sprite can be animated by ________.
   a. changing the backdrop’s costumes
   b. changing the sprite’s costumes
   c. using conditional block
   d. using looping block
2. Which block is used to start the execution of a Scratch script?
   a. Reporter
   b. Stack
   c. Hat
   d. Cap
3. Which block is used to move smoothly from one position to another on the stage?
   a. go to x: 0 y: 0
   b. glide 1 secs to x: 0 y: 0
   c. if on edge, bounce
   d. go to mouse pointer
4. Which block is used to change to a particular costume?
   a. switch backdrop to backdrop1
   b. next costume
   c. show
   d. switch costume to costume2
5. Which block is used to change the size of the pen in Scratch?
   a. set pen color to 0
   b. set pen size to 1
   c. change pen color by 10
   d. change pen shade by 10

D Answer the following.

1. Name all the block categories present in Scratch 2.0.
   Motion, Looks, Sound, Pen, Data, Event, Control, Sensing, Operators, More Blocks
2. Mention any two blocks used for repeated execution of programming code. What is the difference between them?
   repeat: To repeat the execution of programming code for a specified number of times.
   forever: To repeat the execution of programming code forever.
3. What are the two conditional blocks? Where are they present?
   The two conditional blocks are if and if-else. They are present under the Control category of blocks.
4. Explain the working of the following blocks:
   clear: It removes any pen marking from the Stage.
   hide: It hides the sprite.
5. How will you change the red color to yellow color in the following block?
   set pen color to red: By clicking inside the block’s color swatch and then select the yellow color.
6. What is the difference between the following blocks?
   glide 1 secs to x: -66 y: -4 is used to move the sprite smoothly to given x, y coordinates.
   go to x: -66 y: -4 is used to position the sprite to the given x, y coordinates.
7. Write any two blocks that can be used to start a Scratch project. Where are they present?
   a. Hat Block
   b. When space key is pressed
   They are present under the Events category of blocks.

Extra Questions

1. A computer program is a set of instructions that instructs the computer to perform a specific task.
2. Programming refers to the process of creating a program or code using a programming language.
3. Scratch 2.0 is a computer programming language to teach programming concepts to young students.
4. A Sprite is a graphic object on the stage.
5. The Stage is the place where you add your sprites.
6. When a Scratch project starts, an orange cat sprite appears in the middle of the stage.
7. The Green Flag button is used to start running a Scratch program.
8. The Stop button is used to stop running a Scratch program.
9. The Scratch programming language was developed by Mitch Resnick at the MIT.
10. The ‘i’ button is known as the information button.
11. There are 10 color-coded Blocks Drawers.
12. The Grow button is used to increase the size of the sprite.
13. The Shrink button is used to decrease the size of the sprite.
14. The Duplicate button looks like a rubber stamp. It is used to make a copy of the sprite.
15. The Delete button looks like a pair of scissors. It is used to remove a sprite.
16. The C Block is also called Wrap block.
17. Motion blocks are color-coded blue.
18. Looks blocks are color-coded purple.
19. Control blocks are color-coded gold.
20. Events blocks are color-coded brown.
21. Sound blocks are color-coded bright purple.
22. Pen blocks are color-coded dark green.
23. Sensing blocks are color-coded light blue.
24. Operators blocks handle arithmetic calculations and Boolean operations.
25. The Cap block is used to stop scripts.
26. The Reporter block can hold character or numeric data.
27. The Blocks Palette is the area in Scratch from where you drag and add the blocks in the Scripts area.
28. The Blocks Drawer consists of 10 color-coded blocks.
29. You can create a variable for a particular sprite or for all the sprites. True
30. We can create games and quizzes in Scratch 2.0. True
31. There are 6 block types. True
32. The Stack block has a notch at the top and the bottom. True
33. What are the 4 ways to add a backdrop?
    a. Choose backdrop from library
    b. Paint new backdrop
    c. Upload backdrop from file
    d. New backdrop from camera
34. What are the 4 ways to add a sprite?
    a. Choose sprite from library
    b. Paint new sprite
    c. Upload sprite from file
    d. New sprite from camera
35. What are the 6 block types?
    a. Hat block
    b. Stack block
    c. Boolean block
    d. Reporter block
    e. C block
    f. Cap block