2024-25 - Y7 - Scratch - Quiz 2

Which of these statements best describe iteration?

• Running a set of steps or instructions once
• Never running a set of steps or instructions
• Repeating a set of steps or instructions
• Deleting a set of steps or instructions

Which script category are iteration blocks found in?

• Events
• Control
• Looks
• Motion

Why are iteration blocks found in the Control category?

• Because they can change the appearance of sprites and backdrop
• Because they trigger scripts to run
• Because they control the movement of sprites
• Because they change the flow of how blocks are run

Look at the block shown and fill in the blank: This loop has no end, and is useful for repeating an action or a set of actions ______________.

• endlessly
• once
• ten times
• never

Look at the block shown and fill in the blank: This loop is used for repeating an action for a ______________. Useful if we know how many times we want to repeat an action.

• specified length of time
• certain number of times
• random amount of times
• week

Look at the block shown and fill in the blank: This loop is used for repeating an action until a certain ______________. Useful if we don't know how many times we want to repeat an action.

• random number is picked
• day has passed
• condition is met
• time limit is reached

Which of these is NOT an advantage of using iteration?

• Scripts using iteration are generally shorter
• Scripts using iteration are quicker to create
• Scripts using iteration are easier to change and fix
• Scripts using iteration take less time to run

The image shows a script using an iteration block. How long will the script take to run?

• 3 seconds
• 6 seconds
• It will never stop
• It will never run

The image shows a script using an iteration block. How many degrees will the sprite turn right in total?

• 20 degrees
• 100 degrees
• It will never stop turning
• It will never start turning

The image shows a sprite on the Stage and a basic script using an iteration block. What will the stage and sprite look like after the script has been run?

• 
• 
• 
•