Quizizz: Lesson 3.5 Mid-Unit Review & Debug

Mission Checklist: I looked at all five of the Scratch Debug It projects.

• True

• False

Mission Checklist: I identified the cause of the errors in each project and added blocks or explained how to fix each error.

• True

• False

Spicy Challenges: What is the main goal of trading projects with a classmate that have at least one error?

• To debug each other's work

• To create new errors

• To ignore the errors

• To delete the projects

What are the general steps you should follow if you don't know where to start when debugging a Scratch project?

• Review the existing code. 2. Try a solution. 3. Test your solution. 4. Repeat until the program works how it should.

• Immediately rewrite the entire code. 2. Run the program without checking. 3. Ignore any errors.

• Add random blocks to the project. 2. Hope the problem fixes itself. 3. Share the project without testing.

• Delete the project. 2. Start a new one. 3. Avoid debugging altogetherがたくさんあります。

B — DEBUGGING MISSION 1 PROBLEM In this program, the bell should say, "Ting!" when the wand touches it, but nothing happens. YOUR MISSION What should you do to make the bell chime when the wand touches it?

• Check if the bell and wand are touching and play the sound.

• Change the color of the bell.

• Move the wand away from the bell.

• Delete the bell sprite.

C — DEBUGGING MISSION 2
PROBLEM
The flying Scratch Cat should disappear when it reaches the black hole, but it doesn't.
YOUR MISSION
What should you do to debug the program so that Scratch Cat disappears into the black hole?

• Add a 'hide' block when Scratch Cat touches the black hole.

• Change the background color to black.

• Increase the speed of Scratch Cat.

• Add a sound effect when Scratch Cat reaches the black hole.

D — DEBUGGING MISSION 3
PROBLEM
Frank is supposed to say, "Correct," when we give "7" as the answer to his math question, but he just keeps saying, "Wrong." What should Frank say when the right answer is given?

• Wrong.

• Correct.

• Try again.

• Maybe.

E — DEBUGGING MISSION 4
Which of the following should you do to debug the program so that it tells us if we guessed the age correctly?

• Check if the guessed age is equal to the actual age and print a message accordingly.

• Remove all print statements from the code.

• Change the guessed age to a random number every time.

• Ignore the user's input and always print 'Incorrect'.

What should you do to debug the program so that the dog keeps barking when he collides with Casey?

• Move the bark command inside the collision event handler.

• Remove the bark command from the code.

• Add a delay after the bark command.

• Change the dog's sprite. friendliness to the bark command's timing

A statement which must be true or false. ______ can be used as conditions in programming.

• Boolean

• Integer

• String

• Array