10 questions
Physical and Chemical Changes: Crystals, Burning and Reasoning
Use crystallisation, burning, reversibility and unfamiliar observations to reason about changes.
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Classify burning and cooking as chemical changes
Skill routes are the cleanest place to connect curriculum structure with future assignment recommendations, public previews, and conversion moments.
Skill context
This route gives the skill a stable home inside the curriculum map.
Burning and Cooking Changes
Burning and Reactions
Assignment previews for this skill
Skill routes should feel close to action, not just classification.
24 questions
Final Assessment: Physical and Chemical Changes
A full chapter assessment covering types of changes, physical changes, chemical evidence, rusting, crystallisation, burning and reasoning.
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Skill pages are where curriculum depth can become assignment discovery.
This route is intentionally compact for now. It creates the stable URL and information structure needed for slice 4 assignment linkage.