Scratch Loops Practice Quiz

Why are loops important in programming? Choose the BEST answer.

• They make programs run faster

• They help avoid writing the same code many times and reduce mistakes

• They make the computer work harder

• They only help with drawing shapes

If you wanted a sprite to dance forever in your game, which loop would be most appropriate?

• Repeat 10 times loop

• Repeat 100 times loop

• Forever loop

• No loop needed

Maria is making a program where a cat sprite needs to meow exactly 8 times. Which would be the BEST way to do this?

• Use 8 separate meow blocks

• Use a forever loop with a meow block

• Use a repeat 8 times loop with a meow block

• Use a repeat 100 times loop with a meow block

When drawing a square in Scratch using loops, how many times should the repeat block run?

• 2 times

• 3 times

• 4 times

• 6 times

What might happen if you forget to test your loop with small numbers first?

• Nothing bad would happen

• The program might run too many times or not work as expected

• The computer will fix any mistakes automatically

• The loop will always work perfectly

Which combination of blocks would create a simple rhythm that plays 5 times?

• Forever block + music note block

• Repeat 5 times block + music note block + wait block

• Just a music note block

• Wait block + music note block

What's the main difference between a counter-controlled loop and a forever loop?

• Counter-controlled loops are faster

• Forever loops only work with music

• Counter-controlled loops run a specific number of times, while forever loops never stop

• Counter-controlled loops only work with drawing

If you want to make a hexagon, why is using a loop better than writing separate move and turn blocks?

• It makes the program run faster

• It uses less blocks and is easier to change

• It makes the hexagon bigger

• It draws the hexagon in different colors

What should you ALWAYS know before using a repeat block?

• The color of your sprite

• How many times you want the action to repeat

• The size of your stage

• The name of your project

Which of these would likely cause a problem in your program?

• Using a wait block inside a loop

• Making a sprite say "hello" 5 times

• Using a forever loop without any way to stop it

• Using a repeat block to draw shapes