Development draft · local review needed

Day 32 — Which method would be safe and fair?Foundation Science · T1 W7–8 · Day 32 lesson

Prepare this lesson

Foundation / Science / Term 1 / Weeks 07 08

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: select a possible approved dry-wipe method, separate unsafe/model options, and name controls. Proposed codes: AC9SFI01, AC9SFI02. Prepare: Model U, safe-mark routine, blank source-claim mat, Card 32.

Preflight · 3 min. Adult confirms whether an approved broad practice surface, dry non-toxic mark and cloth may be used; if not, plan only.
Predict · 4 min. Child predicts for a specific approved surface before any actual action; record material verification source or UNKNOWN.
Model · 5 min. Read U1/U2/U3 fully. U1 is possible after site approval; U2 alters a real exit sign/uses spray; U3 only draws a result.
Child try · 7 min. Card 32 asks child to arrange source, one dry mark, same adult/cloth, one gentle pass and observation. Adult sets the stable tabletop boundary and no-touch route.
Check · 4 min. Ask what happens to comparison quality if one mark is wet and another dry, or pressure changes. Child says the condition changed; leave cause open.
Exit · 2 min. Keep prediction and NOT TESTED fields separate for Day 33.

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