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Day 77 — Hold the card and support; add one layerFoundation Science · T2 W15–16 · Day 77 lesson

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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.

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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: compare composition condition A card alone and B same card plus one broad approved layer, with actual response only if safely observed. Proposed codes: AC9SFU03, AC9SFI01, AC9SFI02, AC9SFI03. Prepare: layer-compare, approved verified materials/comfort, Model L, Card 77.

  1. Pair gate · 3 min. Adult checks same real card, stable support/tap point, broad safe verified layer, warning/consent. If any condition or comfort fails, MODEL ONLY.
  2. Predict · 4 min. Read a genuine earlier A record if comparable or mark NOT AVAILABLE. Child records before prediction for B; L's arrow supplies no actual response.
  3. Optional actions · 5 min. If fully approved, adult makes one very gentle tap for A and, after separate comfort check, at most one for B. Stop on distress or change of setup. Never amplify or repeat rapidly.
  4. Child record · 7 min. Card 77 routes log each actual source/date/material/support/action/direct or ADULT REPORT/exact response; if only one or none occurred mark B or both NOT TESTED.
  5. Check · 4 min. Ask what changed: added layer also changes thickness/mass/contact, so response difference cannot be attributed to one pure material property.
  6. Exit · 2 min. Keep cautious A/B statement or MODEL ONLY; capacity remains untested here.

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