Scratch Exam Review Quarter 3 - 2023
Authored by Tim Girard
Computers
10th Grade
Used 37+ times
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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Examine this Scratch code.
When you click the Green Flag, you want the timer to count 5 seconds. Then, you want the sprite to move to different location. However, after 5 seconds, nothing happens.
How do you fix this mistake?
Broadcast start game must be inside repeat until, not after.
Broadcast start game must be after repeat forever.
Repeat forever should be inside repeat until.
Repeat forever should be removed.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Examine this Scratch code.
When you click the Green Flag, you want the timer to count 5 seconds. Then, you want the sprite to move to different location. However, after 5 seconds, nothing happens.
What is the reason why nothing is happening?
Broadcast start game is never sent.
The time variable never counts down.
Glide is constantly starting from the beginning, so it looks like it's not moving.
It is not your fault, because Scratch is just being weird. Like that cat with the really weird smile. So weird. Like the teacher.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Scratch code best represents the decision in the flowchart shown?
If Then Else
Repeat Until
Repeat Forever
Variable water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Scratch code best represents the decision in the flowchart shown?
If Then Else
Repeat Until
Repeat Forever
Variable water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Scratch code best represents the start in the flowchart shown?
If Then Else
Repeat Until
Repeat Forever
Variable water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You want the program to say who won. However, no matter what the scores are, it always skips to Thank you for playing!
How do you fix this mistake?
Put all the code, except for When I receive, into a Repeat Forever.
Add Wait 2 seconds before Say Thank you for playing!
The 2nd If Then is wrong. It should be instead:
If player 1 score < player 2 score Then
Use Broadcast Thank you for playing! instead of Say Thank you for playing!
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After about half a minute, you want the program to say Game is over!
Why is it risky to code like this?
Broadcast does not work with more than 1 receiver.
The two When I receive message1 happen at the same time. That means repeat until might stop BEFORE time is set to 30.
Repeat until is not as reliable as repeat over.
You should not set time to time - 1 inside repeat until.
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