Loop Logic
What does a “repeat (10)” block do?
Repeats the commands 10 times, then stops.
What does the “next costume” block do?
Changes the sprite’s appearance to the next costume.
What is a sprite?
A character or object that performs actions in Scratch.
Using a 3-second clip for a school project — fair or foul?
Fair Use
What does debugging mean?
Finding and fixing errors in code.
Name one block that keeps repeating until a goal is reached.
repeat until
Which block controls timing between movements?
wait ( ) seconds
What is a script?
A group of connected blocks that run together.
Copying an entire song for a YouTube video intro — fair or foul?
Foul
Why doesn’t a loop run if the sprite never moves inside it?
The condition never changes — missing movement block.
Identify the block that repeats forever until the program stops.
forever
What two blocks make a simple walking animation loop?
next costume and move (10) steps
What area stores all the coding blocks?
The Block Palette.
Define “public domain.”
Creative works free to use without permission.
The sprite spins endlessly — how can you fix it?
Add a stop block or limit the loop count.
Why would you use a forever loop instead of a repeat loop?
When you want the motion or animation to continue nonstop until stopped manually.
Why is timing important in loops for animation?
To make motion smooth and realistic.
Fill in the blank: “A sprite’s appearance changes through different ______.”
Costumes
Which action requires permission? A. Quoting a line for school B. Using artwork on merch
B
Why is a forever loop dangerous in some projects?
It can freeze the program or never stop.
It doesn’t start because no event triggers it.
Create a loop for dancing: which three block types would you include?
Motion, Sound, and Control.
Explain the broadcast block.
It sends a message that triggers code in other sprites.
You remix a Scratch project and credit the creator. Fair or foul?
Fair Use
Write one line to fix an infinite loop problem.
Add a repeat ( ) limit or a stopping condition.