Year 4 Science · AC9S4I01

Pose questions to explore observed patterns and relationships and make predictions based on observations

Students use observed patterns to pose focused, testable questions about relationships between variables and write predictions that state an expected outcome plus a…

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Learning goalsSay it simply

Students use observed patterns to pose focused questions and make predictions supported by what they have noticed. They distinguish observations, questions, predictions and later conclusions.

Learning intention: I can explain what I noticed, ask a question that evidence could answer, and say what I expect with a reason.

Link a material property to a product’s use.
Predict possible effects of a change in a food chain.
Prepare respectful, teacher-led consultation about local landscape observations and water sources.
Predict attraction and repulsion at stated magnet gaps.

Lesson guide: Allow twenty to thirty minutes for the models and question clinic. Use paper, pencils and familiar material samples; optional large classroom magnets require adult supervision.

Observation: Something noticed or measured, recorded as accurately as possible.
Question: Something we want to find out. An investigation question identifies evidence we could gather.
Prediction: What we expect may happen, supported by observations or a relevant scientific idea.
Variable: A factor that can change or be compared, such as material, distance or time.
Relationship: A connection between observations or variables; seeing a connection alone does not prove its cause.

Clean visual examplesOne-page board

Move from observation to question and prediction

Observation: A wet cloth dried sooner in sun than in shade in yesterday’s comparison. Question: How does location affect drying time for similar wet cloths? Prediction: A similar cloth may dry sooner in sun again, because that was the earlier pattern.

Teacher asks: Which sentence reports evidence already collected? Which describes what might happen next? Look for: Students separate the observed result from the expectation. If they say the prediction is certain, ask which other conditions, such as wind or cloth thickness, could differ.

A fair comparison helps explore a possible cause. Some questions can instead be investigated by observing, such as recording when birds visit a feeder. A yes-or-no question can also be testable when the observation is clear.

E1 · Ask why a product uses a material

Equal-sized material samples under the same drip test: cotton 7 mL passed through, coated fabric 1 mL, tissue 10 mL. These are imaginary classroom results, not product ratings. — Invented classroom evidence: compare how much water passes through when the same amount is added to each sample.

Worked example: Many rain covers use a coating. Ask “Does coated fabric let less water through than uncoated fabric under the same conditions?” Here less water passed through coated fabric. Predict that it may resist leakage better in a repeat, with the observed result as the reason. This does not prove it is strongest, cheapest or best for every product.

Unclear question	Evidence-focused revision
Which towel is best?	How much water does each equal-sized towel absorb in thirty seconds?
Do plants like light?	How does daily light exposure relate to seedling height after two weeks?
Are magnets strong?	At which starting gaps do the same two magnets visibly attract or repel?

Check: Could a material that resists water be unsuitable for a towel? Answer: Yes; a towel needs to absorb water. Questions should match a product’s job.

E2 · Predict a change through a food chain

A simplified chain: grass is eaten by grasshoppers, which are eaten by frogs, which are eaten by snakes. Arrows run from food to eater. — Arrows show food passing to its eater. Explore changes with cards; do not remove living things.

Worked example: If many grasshoppers disappear, frogs may have less food and less grass may be eaten. If frogs disappear, more grasshoppers may survive. Use “may” because real habitats contain other foods, predators and changing conditions. The picture does not supply exact future population numbers.

Teacher asks: Which link supports each prediction? Students do: Cover one card and explain two possible connected effects. Reteach: Follow arrows from food to eater if a student says the frog feeds the grasshopper.

E3 · Consult about landscape and water observations

First Nations Australians hold diverse, place-connected knowledges. The teacher arranges consultation with appropriate local knowledge holders and asks which observations about landscape features and water sources may be shared with the class, what they mean locally, and how the class may record and attribute them.

Consultation scaffold: “What observation may we discuss? In what local conditions is it useful? What might it suggest about water? What limits or sharing guidance must we follow?” After an actual, agreed discussion, students distinguish the shared observation from their own tentative prediction. Until then, label the activity as preparation; do not invent a cultural rule, quotation or endorsement.

SA Water’s Anangu Water Wisdom teacher guide describes APY community collaboration and advises consultation with Aboriginal educators and Elders. It supports this approach to learning; it is not a universal landscape-to-water rule.

Check: Does a possible water-source location establish safe drinking water? Answer: No. Do not visit, collect or publish sensitive locations as part of this lesson. Use only appropriately shared classroom information.

E4 · Predict attraction and repulsion across a gap

Classroom observations with the same two magnets: unlike poles moved together at 1 cm and 2 cm, with no visible movement at 6 cm; like poles moved apart at 1 cm and 2 cm, with no visible movement at 6 cm. — State the facing poles and starting gap before predicting.

Worked example: At two centimetres, unlike poles may move together again because that movement was observed. With like poles facing, they may move apart again. No visible movement at six centimetres does not prove there is no force: the force may be too weak to overcome resistance enough to produce visible motion.

Check: Can these observations give every magnet’s exact movement distance? Answer: No. Magnet strength, pole arrangement and resistance differ between setups. Adults supervise large classroom magnets and keep them away from mouths, electronic devices and medical devices.

Curriculum examplesCopied content

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

Content description: pose questions to explore observed patterns and relationships and make predictions based on observations
E1: posing questions about why some materials are used more often than others for particular products
E2: predicting the effect on food chains when living things are removed from or die out in an area
E3: consulting with First Nations Australians about how to predict the location of water sources from observation of landscape features
E4: making predictions about the distances over which magnets will attract or repel each other

Questions and answersWith answers

Important questions and answers

Can a yes-or-no question be testable?: Yes, if a clear observation under stated conditions could answer it.
Must every inquiry change a variable?: No; careful observations can investigate patterns without changing a habitat.
What supports a prediction?: A relevant recorded observation or scientific idea, linked to the expected outcome.
Why might fewer grasshoppers affect frogs?: The chain shows grasshoppers as food for frogs.
Why consult local knowledge holders?: They can guide the meaning, attribution and appropriate sharing of local knowledge.
How do facing magnetic poles matter?: Unlike poles attract; like poles repel. Distance and resistance affect visible movement.

Assessment-style questions and review hints

Question: Yesterday, one wet cloth dried sooner in sun than another in shade. Give a question and a cautious prediction. Answer: How does location affect drying time for comparable wet cloths? A similar cloth may dry sooner in sun again because that was the observed pattern. Review hint: State which sentence reports the observation and which predicts.

Question: The food-chain picture contains no population counts. Can it justify “exactly ten fewer frogs”? Answer: No; it can support a possible direction, but exact numbers require evidence.

Support, Core and Extend

Support: Provide “I noticed ___; I wonder ___; I expect ___ because ___.” Core: Connect a clear question and prediction to relevant evidence. Extend: Give an alternative prediction and identify what further observation could help decide, within familiar Year 4 contexts.

Exit ticket

Write one observation from a lesson model.
Ask a question that evidence could answer.
Write a prediction with a reason and one limit.

Expected evidence: Distinct observation, question and expectation; a relevant link; no invented certainty. For example, coated fabric let less water through; ask whether this repeats after bending; predict possible continued resistance while acknowledging it needs testing. Reteach if the student simply copies the question as a prediction.

Year-level boundary

Use familiar observations, qualitative food-chain effects and visible magnetic interactions. Do not require statistical inference, formal hypotheses, field mapping of cultural sites or force equations. Preparation for consultation must be honestly labelled and followed by appropriate teacher-led engagement when available.

Practice and reviewReady for practice

Question clinic

Students bring one safe classroom observation. Partners identify the evidence, improve an unclear question, then use “I expect ___ because we observed ___.” Teacher checks that the reason is relevant and that no unobserved result is presented as fact.

Prediction evidence ladder

Sort reasons into recorded observation, relevant science idea and personal preference. Improve a preference-based reason using a real observation. After a model trial, keep the original prediction and add the actual result and a revised idea for a future test.

Respectful inquiry planning

In groups, prepare the consultation scaffold from E3. The teacher manages any invitation and permissions. Without access to a knowledge holder or approved local source, assess the quality of the preparation and honest limits; do not pretend consultation occurred.

A prediction is a result: Record the expectation first and the actual evidence later.
All questions need a number: A clear yes-or-no observation can answer a testable question.
A pattern proves a cause: Other conditions may also explain it.
A simple food chain gives exact future numbers: It shows connections, not exact population forecasts.
One water-source clue applies everywhere: Local knowledge and conditions matter; consult and follow sharing guidance.
No movement means no force: A force may not produce visible movement against resistance.

Curriculum alignmentStart here

Students use observed patterns to pose focused questions and make predictions supported by what they have noticed. They distinguish observations, questions, predictions and later conclusions.

Learning intention: I can explain what I noticed, ask a question that evidence could answer, and say what I expect with a reason.

Link a material property to a product’s use.
Predict possible effects of a change in a food chain.
Prepare respectful, teacher-led consultation about local landscape observations and water sources.
Predict attraction and repulsion at stated magnet gaps.

Lesson guide: Allow twenty to thirty minutes for the models and question clinic. Use paper, pencils and familiar material samples; optional large classroom magnets require adult supervision.

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