🎛️ KCA GAME LAB
YEAR 7 • COMPUTING • SCRATCH LOOPS

LOOP DJ

Predict → Build → Run → Debug. Make the dancer follow your code.

1 · Predict
2 · Build
3 · Explain
01 / Warm-up

🧠 Predict the movement

The dancer begins at (0, 0) facing right. This loop runs four times:

repeat (4)
move (60) steps
turn ↻ (90) degrees
Where will the dancer finish? Decide before pressing Run.
02 / Your code builder

🧩 Create your own loop

Tap the blocks to add them in order. Use ↑ ↓ to rearrange them. You can build independently on a Chromebook or tablet.

Your blocks will appear here…
Live program output

🎬 Your virtual dance stage

x: 0 • y: 0 • direction: 90°Iteration 0 of 4
Mission: Recreate the four-block routine from the lesson: move, turn, next costume, wait. Then change one choice and explain what happens.

🔍 Experiment log

Exports your progress, prediction, attempts, corrections and reflection. Choose “Save as PDF” in the print window. You can export at any time.

Stretch yourself

🌟 Expert DJ challenges

Rhythm scientist: Change the loop count and predict the dancer's new end position.

Choreography creator: Rearrange actions so the route changes. Explain why.

Scratch transfer: Rebuild your tested loop in Scratch. The website is a short practice lab—not a replacement for Scratch.

Core knowledge

📚 Key vocabulary

Sequence: instructions in the order they run.

Loop: instructions repeated by a control block.

Iteration: one complete run through the loop body.

Debugging: finding and fixing mistakes in a program.