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Year 2 / Science / Term 1 / Weeks 09 10 / Teacher / Cases

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D-first · Staff evidence and individual next teachingYear 2 Science · T1 W9–10 · Teacher · Teacher / Cases / D first · Text version

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Teacher copy · prompts and answer keys

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.

Complete neutral source

Original fictional toy-aquarium display. A paper-strip drawing has four selected positions: centre, right, centre, left. Caption: movement model, no time or sound measurement. Helper note: a slowly moved cloth strip was seen moving; no receiver effect or sound report was recorded. Referenced general fact cardF2 (NIH/NIDCD, How Do We Hear?, last updated16March2022): incoming sound waves make the eardrum vibrate. Job: explain what our model shows and what an actual receiver investigation would still need. No real eardrum or speaker experiment occurred here.

Components

Accept other responses

Accept a different source-faithful response in text/drawing/speech/sign/AAC/exact scribing. No required wording, hearing performance or neatness score. Apply only the exact prompt/criterion; no unstated physical action or result required.

Exact component criterion

Identifies selected model positions/movement representation and absent time/sound measurement; no waveform or measured vibration-frequency claim.

Exact prompt

What does the four-position model show, and what does it not measure?

Full individual next learning

Child invitation

Tell a reader what the storyboard shows and what it cannot measure.

Guided different context

Make a new four-frame paper pet-toy movement loop; choose each position deliberately.

Id

N13

Mode opportunity

This is supported teaching after review. Actual performing, reasoning about supplied stories and model construction are recorded separately. New-context transfer is a small observed step, not annual mastery or a new official grade.

Next decision

If the named distinction is still unclear, return to two source-labelled cards in this unrelated context and one prompt at a time. If clear, offer a different job/source after further learning; do not retry this held case with the staff model rehearsed.

Observable next evidence

Child describes represented movement without inventing time/distance data.

Ordinary possible model

Frames show selected positions; they do not give delivery speed.

Teacher preparation

Full account/model and a separate blank child page; cards or paper drawings as named in the guided context. Offer pointing/AAC/exact scribing and quiet helper operation. No source collection or public publication is required.

Teacher sequence

Title

Courier-envelope movement model

Whole unrelated teaching account

A fictional drawing sequence places an envelope at desk, door, cart and desk; no clock readings or delivery distances exist.

Id

D-first-1

Initial own value

One possible staff response

It shows selected strip positions; it does not measure time, pitch, loudness or real sound.

Staff focus

I04 model/literal evidence limits

Accept other responses

Accept a different source-faithful response in text/drawing/speech/sign/AAC/exact scribing. No required wording, hearing performance or neatness score. Apply only the exact prompt/criterion; no unstated physical action or result required.

Exact component criterion

General incoming-sound/eardrum account is reference knowledge; helper supplied source movement without receiver observation remains distinct.

Exact prompt

Separate the referenced general receiver fact from the helper’s supplied strip note.

Full individual next learning

Child invitation

Separate general idea from an unobserved particular event.

Guided different context

Provide a new pretend light card stating “lamps can light a room” alongside an empty room observation space. No mains equipment is handled.

Id

N14

Mode opportunity

This is supported teaching after review. Actual performing, reasoning about supplied stories and model construction are recorded separately. New-context transfer is a small observed step, not annual mastery or a new official grade.

Next decision

If the named distinction is still unclear, return to two source-labelled cards in this unrelated context and one prompt at a time. If clear, offer a different job/source after further learning; do not retry this held case with the staff model rehearsed.

Observable next evidence

Child distinguishes a general statement from a specific result and keeps missing local observation open.

Ordinary possible model

A general reference does not prove it rained here today.

Teacher preparation

Full account/model and a separate blank child page; cards or paper drawings as named in the guided context. Offer pointing/AAC/exact scribing and quiet helper operation. No source collection or public publication is required.

Teacher sequence

Title

Weather-reference boundary

Whole unrelated teaching account

A fictional poster carries the supplied sentence that rain falls from clouds, but has no report for today at this school. Its fact wording is an ordinary teaching illustration, not a local forecast.

Id

D-first-2

Initial own value

One possible staff response

F2 is a general fact about incoming sound and eardrum vibration. The helper note only records seeing a strip move, not a receiver effect.

Staff focus

U02 receiver concept partial knowledge/reference vs actual

Accept other responses

Accept a different source-faithful response in text/drawing/speech/sign/AAC/exact scribing. No required wording, hearing performance or neatness score. Apply only the exact prompt/criterion; no unstated physical action or result required.

Exact component criterion

Message suits explanation purpose and uses an exact source/model/reference clue with status named; no pretended physical conducting.

Exact prompt

For the stated explanation job, give one useful source-qualified message.

Full individual next learning

Child invitation

Give a source-bounded recommendation and tell reader a limit.

Guided different context

Use a new pretend game counter box with room for three drawn tokens and a second box with no capacity note.

Id

N15

Mode opportunity

This is supported teaching after review. Actual performing, reasoning about supplied stories and model construction are recorded separately. New-context transfer is a small observed step, not annual mastery or a new official grade.

Next decision

If the named distinction is still unclear, return to two source-labelled cards in this unrelated context and one prompt at a time. If clear, offer a different job/source after further learning; do not retry this held case with the staff model rehearsed.

Observable next evidence

Child ties choice to source clue and avoids “best everywhere”.

Ordinary possible model

BagA has the purpose-relevant supplied clue, but durability remains untested.

Teacher preparation

Full account/model and a separate blank child page; cards or paper drawings as named in the guided context. Offer pointing/AAC/exact scribing and quiet helper operation. No source collection or public publication is required.

Teacher sequence

Title

Reusable-bag advice

Whole unrelated teaching account

A fictional stall wants a bag to hold two paper tickets. Supplied drawing shows bagA contains two, bagB untested; no real strength comparison exists.

Id

D-first-3

Initial own value

One possible staff response

Our display can say these are model positions and not an observed receiver result. The source caption says no sound measurement.

Staff focus

I06 source-qualified explanation

Accept other responses

Accept a different source-faithful response in text/drawing/speech/sign/AAC/exact scribing. No required wording, hearing performance or neatness score. Apply only the exact prompt/criterion; no unstated physical action or result required.

Exact component criterion

Relevant further receiver question with actual result unresolved; guidance allowed, no unstated test action requirement.

Exact prompt

With guidance, ask a further receiver question whose real result is still open.

Full individual next learning

Child invitation

Pose an unanswered question appropriate to the new plan rather than filling its result in advance.

Guided different context

On paper plan moving two drawing tokens into a basket; do it only if wanted and count actual placements.

Id

N16

Mode opportunity

This is supported teaching after review. Actual performing, reasoning about supplied stories and model construction are recorded separately. New-context transfer is a small observed step, not annual mastery or a new official grade.

Next decision

If the named distinction is still unclear, return to two source-labelled cards in this unrelated context and one prompt at a time. If clear, offer a different job/source after further learning; do not retry this held case with the staff model rehearsed.

Observable next evidence

Child maintains prediction/result distinction while asking a useful next enquiry.

Ordinary possible model

The prediction does not establish a result.

Teacher preparation

Full account/model and a separate blank child page; cards or paper drawings as named in the guided context. Offer pointing/AAC/exact scribing and quiet helper operation. No source collection or public publication is required.

Teacher sequence

Title

Garden-water plan unknown

Whole unrelated teaching account

A fictional watering plan predicts one cup will fill a toy pot, but no pour record exists. No plant-care amount is verified.

Id

D-first-4

Initial own value

One possible staff response

What safe evidence could show an actual receiver object responding to sound? That result is not supplied here.

Staff focus

I01/I05 guided further question

Delivery

Read/display the exact whole neutral source and prompts, with one question at a time if wanted. Do not read criteria/worked/next accounts. Each own page has initial-closed same-page full neutral source disclosure and an external whole-source link; paper mat repeats this source identity and four exact prompts.

Eligibility

Staff records learning opportunity, familiarity with source, prior answer exposure, adult help/operation/scribing, mode, self-directed versus guided reasoning and whether actual practical evidence was offered. After coaching on this source, use it as teaching and arrange genuinely fresh later evidence.

Exact four prompts

First later

First and later are eligible local evidence opportunities, not required timing or a numerical progress scale. Describing supplied outcomes does not demonstrate practical conducting; keep actual observations in a separate folio.

Id

D-first

Own response values

-

-

Role

neutral held assessment source; teacher offered only after relevant learning opportunity; independent staff criterion/models separate

Source kind

original supplied fiction; any reference fact/model explicitly labelled

Title

Toy aquarium movement cards

About this resourceReviewed source edition

Source review is complete for this two-week edition. Local suitability and classroom use still need review. Earlier candidate or pending-review words are retained in the original files; full-year coverage, translations and audio are not claimed.

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Exact source: 5f1257e02932ae49dd88716c3b0d208ba5e4696c · 2026-10-13. Source edition, roles and hashes

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