Period 3 Character Spectrum — Play

Sample investigation pathways

One complete pathway per archetype — present, discuss, or print. Not a trial-and-error game.

Decision Flowchart Dichotomous Decision Tree Distinguishing cations by tests Chemistry Follow a Yes/No flowchart of reagent tests that distinguishes the cations. Decision Flowchart Dichotomous Decision Tree Blood Glucose Decision Flowchart Biology Use a classic flowchart to distinguish insulin, glucagon, and adrenaline responses. Timeline & Process Steps Sequential Pipeline Photosynthesis Procedure Biology Put the lab / process steps into the correct chronological order. Venn Diagram Classification Matrix & Set Logic Photosynthesis ↔ Respiration Venn Biology Drag traits into A only, B only, or the overlapping center. Spectrum & Slider Scale Polarity & Continuous Mapping Period 3 Character Spectrum Chemistry Place elements from more metallic to more non-metallic. Cause-and-Effect Web Multi-Factor Causal Network WWI Cause–Effect Web History Connect causes to effects and set primary vs secondary strength. Nested Category Boxes Hierarchical Nesting Biological Taxonomy Nest Biology Drag taxa into the correct parent containers. Similarity & Difference Comparative Attribute Chart Mitosis vs Meiosis Biology Compare two cell-division processes: shared features at the tip, unique traits at the base. Action & Result Lab Process-and-Result Transformation Reagent → Observation Lab Chemistry Drag an action onto a baseline state and pick the resulting observation. Mind Map & Concept Web Semantic Network & Relational Graph Photosynthesis Concept Map Biology Link keywords with the correct relational phrase.

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Investigation

Answer Yes or No to each test. Watch what gets ruled out.

Check answer

Pick the ion you think remains, then check for explanations.

My conclusion

Explanations

After you check, HKDSE notes appear here.

Candidates

Ruled-out options fade as evidence accumulates.

Classroom visuals vs professional jargon

Pick the familiar classroom layout first. The grey badge is the technical name used in research and admin.

Classroom visual	Professional jargon	Core mental operation	Student UI	Best subject fit

All 9 classroom visuals have a sample investigation on the frontpage.