AC9S3H01 • Year 3 Science

AC9S3H01: Examine how people use data to develop scientific explanations

examine how people use data to develop scientific explanations

What students learn in AC9S3H01

Students learn to examine how people use data to develop scientific explanations. They use the visual model, precise vocabulary and evidence to explain and apply the concept.

Learning routine: Observe → Model → Investigate → Record → Explain

Success looks like

  • Recognise claim
  • Use evidence
  • Explain reasoning
  • Apply in a new context
  • Justify with evidence
Key vocabulary
claim
the explanation being proposed
evidence
relevant observations or measurements
reasoning
the link showing how evidence supports a claim
Concept models and worked thinking

Build a claim–evidence–reasoning explanation

ClaimDark material warmed faster
Evidence30°C → 42°C versus 30°C → 36°C
Reasoningthe measured pattern supports the claim

Use the labels and relationships in the model to explain the central idea.

  1. Read every label and identify what each quantity or feature represents.
  2. Describe the relationship shown by the model.
  3. Check that the conclusion answers the original question.

Identify a pattern in data

200
252
314
366

Transfer the idea to a new example and justify the choice with evidence.

Apply the same relationship to the new context, then justify the answer using the labels and evidence shown.

Curriculum coverage and elaborations

The content description and elaborations below show the curriculum ideas taught in this unit. Items marked as teaching context support lesson planning.

  • Content description: examine how people use data to develop scientific explanations
  • E1: investigating the stories of people who used multiple observations to develop scientific explanations, such as 17th-century entomologist and naturalist Maria Sibylla Merian, who was the first to record the nature of metamorphosis
  • E2: exploring how farmers use soil tests to monitor and manage the health of farms
  • E3: investigate how 18th-century physicists such as Jean Ingenhousz and Sir Benjamin Thompson collected data on conduction of heat to determine the best conductors or insulators
  • E4: exploring age-appropriate science reports and journal articles and identifying where in the text the author has included data, findings or explanations
  • E5: viewing a documentary or webinar and observing how scientists and researchers share their data and explanations
Guided learning activities

1. Model and notice

Use the visual model to identify claim, then explain the important features.

ClaimDark material warmed faster
Evidence30°C → 42°C versus 30°C → 36°C
Reasoningthe measured pattern supports the claim

2. Apply and compare

Apply evidence to a new example and compare the result.

200
252
314
366

3. Create and explain

Create an example using claim, evidence and reasoning.

claimevidencereasoning
Revision Notes

Core idea: Students learn to examine how people use data to develop scientific explanations. They use the visual model, precise vocabulary and evidence to explain and apply the concept.

Remember

  • Recognise claim
  • Use evidence
  • Explain reasoning
  • Apply in a new context
  • Justify with evidence

Important questions

  • Which statement is a supported scientific explanation? Explain using the model or evidence above.
  • Complete the explanation structure. Explain using the model or evidence above.
  • Explain build a claim–evidence–reasoning explanation. Explain using the model or evidence above.
  • Correct: Opinion used as evidence. Explain using the model or evidence above.
How to use this unit

Read the topic guide and use the teacher slide for instruction. Students can then use the worksheet for written work, open Practice for supported feedback, or take the Test when they are ready.

AC9S3H01 teacher slide

Teacher resource

Use this one-page PDF to introduce the key idea, vocabulary and teaching sequence before students begin the activities.

Open Classroom View
Common misconceptions
  • Opinion used as evidence — Scientific evidence comes from relevant observations or measurements.
  • Feature named without effect — Explain how the feature changes meaning or outcome.
  • One example treated as a rule — Test the idea with another example.
International curriculum mapping

This table gives closest-topic mapping for search and planning. The Australian Curriculum code is exact; overseas entries are broad equivalents because each jurisdiction structures outcomes differently.

RegionCurriculumClosest mapping
AustraliaAustralian Curriculum v9.0AC9S3H01 — examine how people use data to develop scientific explanations
VictoriaVictorian Curriculum F-10Year 3 Science: closest match in Nature and development of science. Use this page as a VIC-aligned practice and worksheet reference.
NSWNSW CurriculumStage 2 Science: closest content focus for Examine how people use data to develop scientific explanations and related outcomes.
United StatesCommon Core / NGSSGrade 3 NGSS science closest topic match for Examine how people use data to develop scientific explanations.
England / UKNational CurriculumKey Stage 2 / Year 3: closest programme-of-study match for Examine how people use data to develop scientific explanations.
CanadaProvincial and territory curriculaGrade 3 closest topic match. Canada varies by province, so use this as a broad Ontario/BC-style learning outcome reference.
New ZealandNew Zealand CurriculumLevel 2 Science: closest achievement-objective topic for Examine how people use data to develop scientific explanations.
IndiaNCERT / CBSEClass 3 closest NCERT/CBSE topic match for Examine how people use data to develop scientific explanations.
🎥 Optional Video Lesson

The SkillrHub lesson remains the primary learning resource. This optional video reinforces the explanation; you can complete the lesson and practice without watching.

Back to the lesson

Before you watch:

  • Pause after each worked example.
  • Try the examples yourself.
  • Return to the SkillrHub lesson before continuing.
Recommended: Measurement Mystery: Crash Course Kids #9.2

Crash Course Kids — See measured observations used as evidence for an explanation.

As you watch: Why are several measurements more useful than one first guess?

Load video player Loads YouTube in this lesson. See the video notice below.

Try it: Choose a familiar object and record three measurable or observable clues. Explain how those clues support your identification.

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Curriculum equivalents: Victoria, NSW and international

Curriculum equivalents for Examine how people use data to develop scientific explanations

Mapped skill: examine how people use data to develop scientific explanations

These references identify matching or closely related learning. Curriculum sequence, terminology and depth vary, so teachers should use the mapped skill and lesson difficulty to confirm suitability.

RegionCurriculum frameworkClosest level or code
AustraliaAustralian Curriculum v9.0AC9S3H01 · Year 3
VictoriaVictorian Curriculum F–10 Version 2.0 — ScienceVC2S4H01 · Levels 3–4
New South WalesNSW Science and Technology K–6 Syllabus (2024)ST2-SCI-01 · Stage 2
United States (USA)Next Generation Science Standards (NGSS)Grade 3
Canada (Ontario)Ontario Curriculum — ScienceGrade 3
United Kingdom (England)National Curriculum in England — ScienceYear 4, Key Stage 2
IndiaNCERT / CBSE — ScienceClass 3

Australian Curriculum v9.0 is the canonical source for this SkillrHub lesson. Victoria and NSW entries name the closest published state codes or outcomes; international entries are planning references rather than claims of identical curricula.

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Official curriculum references
Related Year 3 Science topics