Scratch Programming Quiz

What is an algorithm?

• A type of Scratch block

• A set of instructions to solve a problem

• A name for a variable

• A type of sprite

What is a variable used for in Scratch?

• To make a sprite move

• To store values like numbers or text

• To create a loop

• To change costumes

Which block is an example of selection?

• repeat (10)

• if (score > 10) then

• change x by (10)

• forever

What is iteration in programming?

• A single action in Scratch

• A way to store information

• Repeating a set of instructions

• Making a sprite disappear

Which block is an example of iteration?

• if then

• repeat (10)

• ask [name] and wait

• when green flag clicked

How do you make a sprite move continuously?

• Use a forever loop with a move (10) steps block

• Use an if then block

• Use a wait (1) second block

• Use a say [hello] for (2) seconds block

What does the if then block do?

• It makes a sprite move

• It repeats a block forever

• It checks a condition before running the code inside it

• It changes a variable

What does debugging mean?

• Fixing errors in a program

• Adding a new sprite

• Making a game

• Using the forever loop

Which block would you use to start a program?

• forever

• when green flag clicked

• if then

• repeat until

What is a backdrop in Scratch?

• A type of variable

• A sound effect

• The background of the stage

• A type of block