Course Content
Welcome to Scratch
Students get oriented with the Scratch platform, understand what programming is, and set up their free Scratch account ready for the rest of the course.
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Motion and Looks
Students learn to move sprites around the Stage using Motion blocks, and change how sprites look using Looks blocks — including costumes, speech bubbles, and size changes.
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Loops and Sequences
Students learn to repeat actions efficiently using loop blocks (forever, repeat, repeat until) and understand how the order of blocks in a sequence changes the program's behaviour.
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Conditionals and User Input
Students learn to make programs that react and make decisions using if/else blocks, key-press detection, and mouse input — the foundation of interactive games and apps.
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Variables and Operators
Students learn to store and manipulate data using variables, and combine values with math and logic operators — the tools needed to build scoreboards, timers, and smarter programs.
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Events and Messages
Students learn how Scratch programs react to events (flag click, key press, sprite click) and how sprites communicate with each other using broadcast messages.
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Sound and Music
Students add sound effects and music to their projects using Scratch's Sound editor and blocks, making their games and animations more engaging and polished.
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Lists and Clones
Students learn to store multiple values in lists, and to create multiple copies of a sprite using clones — two powerful tools for building more complex and dynamic projects.
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Final Project and Course Wrap-Up
Students apply every skill learned in the course to build and present a complete Scratch game or interactive project — their portfolio showpiece. The topic closes with a review of key concepts and guidance for continuing to grow as a programmer.
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Programming with Scratch: Build Games & Animations from Zero (Copy 1)

Nesting Loops (Loops Inside Loops)

Nesting means putting one loop inside another. The inner loop completes fully every time the outer loop runs once.

 

Example: Spiral-Like Pattern

  1. repeat (4) — outer loop
  2. repeat (4) — inner loop
  3. move (50) steps → turn ↻ (90) degrees
  4. turn ↻ (30) degrees — rotates after each square

The inner loop draws one square; the outer loop draws 4 squares, each rotated 30° from the last.

Tip: Start small — get the inner loop working before adding the outer one.