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Crew Lessons

Open a lesson. Work the activity flow.

This surface reads the live Supabase Crew Lessons module view and shows only returned, QA-passed lesson rows. Hidden placeholder packs stay out of the grid.

3

modules

88

lessons

2640

activities

Teaching guide

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r2-publishedQA 0.930

Lesson 20 · Science

Experiment Why Change

Learner can explain why a character changes a science plan after observing results.

mix-the-mortar-and-pestlehowe-the-heron

Activity 27 of 30

adaptive branch challenge

Games

Do

If ready, complete a challenge version.

Prompt

If ready, complete a challenge version. Keep the activity tied to: Learner can explain why a character changes a science plan after observing results.

Evidence signal

storybooks.lesson.experiment-why-change.adaptive_branch_challenge

Runtime boundary

Visible rows come from Supabase, images come from R2, and hidden placeholder packs are omitted. Cross-tier adaptations are not shown here until their runtime gates pass.