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Opening

BUILD · SCIENCE · Lesson 10 of 10

The museum has three doubtful labels

Learning intention

Use evidence to correct museum labels about fossils, soils and light.

Become the evidence editor.

Keep a claim only if the clues support it.

Success looks like

  • Use a clue from each science strand.
  • Correct an inaccurate exhibit label.
  • State one thing the evidence cannot tell us.
Retrieval

BUILD · SCIENCE · Lesson 10 of 10

Retrieve one idea from each strand

1. What can a fossil be evidence of?

2. Name something found in soil.

3. Do eyes receive or make viewing light?

I do

BUILD · SCIENCE · Lesson 10 of 10

I separate a fossil from a model

A fossil preserves ancient evidence.

Today’s imprint can model a shape.

The model does not become ancient.

From living thing to preserved evidenceA simplified three-stage sequence: shell-bearing animal dies, sediment buries its shell, and much later a shell fossil is preserved in rock. This is one possible route, not every fossil.1 A shell remains2 Sedimentburies it3 Preservedin rockMuch time passes. Most remains do not become fossils.
From living thing to preserved evidence
Diagram description

A simplified three-stage sequence: shell-bearing animal dies, sediment buries its shell, and much later a shell fossil is preserved in rock. This is one possible route, not every fossil.

I do

BUILD · SCIENCE · Lesson 10 of 10

I repair the soil label

Mineral pieces are one part.

Organic matter is another.

Spaces can contain air or water.

Soil is a mixtureEnlarged schematic components of soil: mineral particles, organic matter and pore spaces containing air or water. Positions and sizes are illustrative, not measured proportions.Mineral particlesfrom rocksOrganic matter:remains of living thingsSpaces can holdair and water.Not to scale. Living organisms can also occur in soil.
Soil is a mixture
Diagram description

Enlarged schematic components of soil: mineral particles, organic matter and pore spaces containing air or water. Positions and sizes are illustrative, not measured proportions.

Continue within this stage’s shared time.

I do

BUILD · SCIENCE · Lesson 10 of 10

I follow the museum light

Start at the lamp.

Follow reflected light into the eye.

The exhibit needs a light pathThe lamp emits light onto the top surface of an opaque fossil exhibit; reflected light leaves that same lit surface and enters the eye. The eye is above the object surface.Lit lampFossil exhibitEyeLight arrivesSome reflected lightenters the eye.A plain fossil is a reflector, not a light source.
The exhibit needs a light path
Diagram description

The lamp emits light onto the top surface of an opaque fossil exhibit; reflected light leaves that same lit surface and enters the eye. The eye is above the object surface.

Continue within this stage’s shared time.

We do

BUILD · SCIENCE · Lesson 10 of 10

Curators compare A and B

Go to interactive investigation

Which is ancient evidence?

Which is a recent model?

Explain using the card history.

Supplied fictional exhibit records
ExhibitGiven history
APreserved shell in ancient rock
BImprint made in clay today

Evidence editor: keep or repair?

Predict, reveal the relevant scientific model, then justify one correction. Paper cards A–E provide the same evidence.

Decision 1 of 3

Which exhibit is identified as an ancient fossil?

Choose, test, then explain together. Evidence diagrams appear only after your test. Diagram transitions explain the model; they do not represent real elapsed time. Use Pause model to stop transitions and model controls, or your device’s reduced-motion setting. The printed We do activity provides the paper route.

We do

BUILD · SCIENCE · Lesson 10 of 10

Repair the two-word traps

“Soil is only rock.”

“Eyes make viewing light.”

Change the smallest useful phrase.

Hinge

BUILD · SCIENCE · Lesson 10 of 10

Which label can stay?

Choose the claim with evidence.

You do

BUILD · SCIENCE · Lesson 10 of 10

Choose your science route

Correct short labels.

Write a museum guide.

Review the limits of evidence.

You do

BUILD · SCIENCE · Lesson 10 of 10

Make your own evidence record

Use the shared evidence.

Explain one choice.

Check a label or number.

You do

BUILD · SCIENCE · Lesson 10 of 10

Check what the evidence can show

Point to the clue you used.

Remove an unsupported claim.

Continue within this stage’s shared time.

Review

BUILD · SCIENCE · Lesson 10 of 10

Lundy loop: improve the shared account

Choose how to share.

Hear one evidence-based challenge.

Improve or defend one idea.

Which word did our evidence make us change?

Review

BUILD · SCIENCE · Lesson 10 of 10

Keep the useful change

What changed in our account?

Which evidence helped?

Continue within this stage’s shared time.

Exit

BUILD · SCIENCE · Lesson 10 of 10

Three final checks

E1. What does a fossil preserve?

E2. Name one non-mineral part of soil.

E3. What must enter the eye to see the exhibit?

My science task sheets

Choose one route with your teacher. Shared evidence and the exit sheet appear in every route. Your work stays here while the page is open; save it before closing.

Shared evidence • Museum records

Fictional records for review. Use the history and observations, not just an object’s name.

A • Ancient shell

A geologist identifies a preserved shell in old sedimentary rock. Its original colour is unknown.

B • Model imprint

A pupil pressed a modern shell into clay today. It models an imprint; it is not an ancient fossil.

C • Soil sample

Observed: mineral grains, dark decayed leaf fragments and spaces. Some spaces contain water or air.

D • Lit display

A lamp lights the fossil. Some reflected light enters a visitor’s eye.

E • Complete darkness

Same fossil, but all light is excluded. The eye receives no light from it.

Route 1 • Correct the labels

Word bank: ancient / model / mixture / reflected light.

S1. Which is the ancient fossil?
S3. Where does light go to make the exhibit visible?

Route 2 • Produce the exhibit guide

Use A–E. Make each reason traceable to a card.

Route 3 • Challenge a confident claim

An editor writes: “Every stone is a fossil. We know this shell’s exact colour. The dark exhibit disappeared.”

Exit and reflection

Point, draw, write or tell an adult.

Slide 1

TA Brief

Current stage

Objective

Use evidence to correct museum labels about fossils, soils and light.

Preparation

Method precautions

Practical alternative

All core reasoning uses the supplied evidence and can be completed in 40 minutes without a live practical.

Access and regulation

Supported: Short choices, word bank and pointing or adult-scribed reasons; same core scientific goal.

Standard: Make a short evidence-based explanation or record using the supplied information.

Stretch: Apply the core idea to a changed case, evaluate evidence or identify a limit.

Regulation: Preview the sequence. Offer seated observation, quiet paired rehearsal, private feedback and a pass from public sharing. Routes respond to current access needs, not a diagnosis.

Teacher answers

Retrieval 1–3

1 ancient life: remains or traces. 2 relevant soil component. 3 receive light.

We do W1–W2

W1 A is the ancient fossil; B is a recent model, based on their stated histories. W2 soil is a mixture, including mineral and organic material; eyes receive light from the lamp-lit exhibit.

Hinge

Second option correct. The first ignores when B was made; the third contradicts C’s organic material.

S1–S4

S1 A. S2 any two recorded components: mineral grains, decayed leaf matter, air or water. S3 into the eye. S4 e.g. this fossil preserves evidence of an ancient shell; soil contains a mixture; reflected light reaches the eye.

M1–M4

M1 A has geological preservation; B was made today. M2 e.g. soil contains mineral grains and organic matter, with pore spaces. M3 lamp → fossil surface → eye; arrows into eye. M4 exact original colour is unknown from this record.

T1–T4

T1 some rocks contain fossils, but a stone need not preserve remains or traces of life. T2 no: the record explicitly says unknown. T3 E states that the same fossil remains but no light reaches the eye. T4 a fresh leaf is recent organic matter; ordinary falling into soil is not evidence of ancient preservation.

Exit E1–E3

E1 ancient remains or traces of life. E2 e.g. organic matter, water, air or a living organism. E3 light, here reflected from the exhibit.

R1–R2

Responses vary. Credit a scientific revision, evidence-based defence or relevant next question. A private or oral response has equal value.

Sources checked for this lesson

Word help

fossil
Preserved remains or traces of ancient life.
soil
A mixture that includes mineral and organic material.
reflect
Send arriving light back from a surface.
evidence
Information that supports or challenges an idea.

Cold Call

Give thinking time. Invite a response by voice, pointing or showing work. A pupil can pass; check in privately when useful.

Pause

Take a quiet pause.

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