Program a sprite to move around a maze | Computing | Quizalize & Oak National Academy

Starter quiz

Which block is needed to make a sprite move when you press a key?
What is the purpose of an algorithm?
- It makes a sprite look different.
- It gives a precise set of ordered steps to follow. ✓
- It changes the background.
What direction does a sprite move when it is set to 90 degrees in Scratch?
- right ✓
- left
- up
- down
What does the word resize mean?
- to change the size ✓
- to change the colour
- to change the language
A ______ is a graphic object that can be controlled by a program.
- 'sprite' ✓
Which movement block will make a sprite move the furthest?

Match the keywords to the definitions.
- algorithm
  
  ⇔
  
  ordered steps that a human or computer can follow to complete a task ✓
- sprite
  
  ⇔
  
  a graphic object that can be controlled by a program ✓
- duplicate
  
  ⇔
  
  to copy an exact part of a coding project ✓
Why does the size of a sprite matter when programming movement in a maze game?
- Bigger sprites move faster.
- The size does not affect the movement at all.
- If the sprite is too big, it might touch the walls. ✓
Which block should you use to change the direction a sprite is facing?
What is the tool that can save time when you have to create similar code?
- 'duplicate' ✓
Which part of Scratch lets you change how the stage looks?
- 'backdrop' ✓
Which code will let a sprite move down?

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The size of the sprite doesn't matter when programming movement.

Sprite size is important, especially in a maze, as if the sprite is too big it will touch the walls.

Algorithm - a precise set of ordered steps which can be followed by a human or a computer to do a task
Sprite - a graphic object that can be controlled by a program
Duplicate - to copy an exact part of a coding project