Development draft · local review needed

Day 74 — Which conditions matter to a comparison?Foundation Science · T2 W15–16 · Day 74 lesson

Prepare this lesson

Foundation / Science / Term 2 / Weeks 15 16

Part of the full two-week lesson sequence. Check the pack guide and taught point before teaching.

Open for this lesson: Pack guide · Sources and materials · Optional practice · Check guide.

Teacher copy: This page may include teaching prompts or answer keys. Answer keys in this public library can be viewed by anyone. Give learners a clean prompt, use checks as formative evidence, and change a case locally when prior access matters.

Learner choices

Goal: identify conditions that would need to stay similar for a careful material-response comparison, without claiming material alone caused a response. Proposed codes: AC9SFU03, AC9SFH01, AC9SFI03. Prepare: actual Day 73 record if available, Model S, one-action, Card 74.

Source · 3 min. Retrieve genuine dated Day 73 record or mark NOT AVAILABLE. Model S is FICTIONAL, not prior class data.
Read · 4 min. Read S's “quiet” story claim and list what is missing: material, support, date, action strength, observer.
Model · 5 min. Teacher contrasts “one soft response in this setup” with “this material is always quiet”; thickness, support and action can differ.
Child try · 7 min. Card 74 routes choose two conditions to keep similar in a future approved comparison and one observation that would still remain unknown. No second tap is required.
Check · 4 min. Offer “S proves fabric is quieter than card.” Child notices S names neither verified material nor matched pair.
Exit · 2 min. Save a cautious comparison plan or model-only question.

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