Lesson2. Algorithms and Programing (P2)_Scratch

What could the student do if he/she wants the cat to bounce vertically too?

• 
• B. No further step is required.
  

• C. Set the cat’s position to well-designed variables, which check against edges.
  

• D. Feed the cat.
  

• E. None of the above.
  

A student wants the cat to move by 10 steps every time the green flag is clicked, and leave traces of clones behind, but instead he/she only gets the two cats shown in the above scene. Which of the following statement is correct?

• A. The script can be corrected by putting everything inside a forever loop (assuming no content is changed).
  

• B. “Move 10 steps” should be put above “create clone”.
  

• C. “Go to (0, 0)” should be removed.
  

• 
• E. None of the above.
  

Looking at the script block above. What is the ghost's starting position?

• A. (X:100, Y:50)
  

• B. (X:50, Y:50)
  

• C. (X:100, Y:100)
  

• D. (X:0, Y:0)
  

• E. (X:50, Y:100)
  

After the script block has been run, where will the ghost end up?

• A. (X:100, Y:50)
  

• B. (X:50, Y:50)
  

• C. (X:50, Y:100)
  

• D. (X:100, Y:100)
  

• E. (X: 0, Y:0)
  

What happens to the shark when the spacebar is pressed AND it is touching Fish1?

• A. The shark switches to costume shark-b and broadcasts a message.
  

• B. The shark broadcasts a message and then switches to costume shark-a
  

• C. The shark switches to costume shark-a

  
  

• D. The shark switches to costume shark-b

• E. Nothing happens
  

Refer to the following image. Where is the cat after the green flag is clicked?

• A. (0,0)
  

• B. (10,20)
  

• C. (3,50)
  

• D. (100,45)
  

• E. None of the above
  

Refer to the following scene and the scripts for the sprite “Cat” and sprite “soccer ball” for below question.
Which of the following is the correct script for the soccer ball sprite, so that the soccer ball goes to (200, 80) after the green flag is clicked?

• 
• 
• 
• 
• E. None of the above
  

Refer to the following scene and the scripts for the sprite “Cat” and sprite “soccer ball” for below question.
Which of the following is the correct script for the cat, so that the cat can follow the soccer ball (200,80) to the closest distance after 3 seconds?

• 
• 
• 
• 
• E. None of the above
  

Refer to the following scene and script:
What does the character say the volume after the green flag is clicked?

• A. volume
  

• B. 0
  

• C. 40
  

• D. 50
  

• E. None of the above
  

Refer to the following script:
What is X if the character says a six-sided dice number randomly in every 2 seconds?

• 1

• 3

• 5

• 6

• None of the above