CHAPTER 1 OF 12

Keep the observations before choosing an explanation

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Start by asking your child what they actually observed. “The hot water cooled faster” is already an interpretation unless the child states the temperatures and time interval. “Cup A changed from 60°C to 48°C in ten minutes” is a measurement record. It can be compared with another record and examined for uncertainty.

A pupil may remember the lesson’s conclusion more clearly than the apparatus. That is normal, but it limits what can be inferred. Ask for the worksheet, diagram, photograph permitted by the school, or the child’s notes. If the information is missing, mark it as unknown. Do not reconstruct a perfect experimental setup from what adults assume must have happened.

Separate the observation, the interpretation and the expected idea. For example: “More water disappeared from one dish” is an observation if supported by a suitable measurement. “That dish had a greater evaporation rate” is an interpretation over the interval. “A larger exposed surface can increase evaporation under otherwise comparable conditions” is a general idea whose application depends on the setup.

Keep the two investigations in separate columns. Record the question each one was trying to answer. School may have compared surface area, while tuition compared airflow. Both can involve water disappearing, but they are not automatically the same investigation. A broad topic label such as “evaporation” can hide that important distinction.

Avoid telling the child that their observation must be wrong because it differs from a textbook diagram. A surprising observation can arise from uncontrolled conditions, measurement difficulty, a recording error or an incomplete explanation. The proper response is to inspect the evidence, not to replace it with the expected answer before anyone has looked.

Equally, do not treat one remembered result as proof that the scientific idea is false. A single demonstration has limits. The child can learn to say, “Our result differed; we need to check the conditions.” That statement respects the observation while avoiding a conclusion larger than the evidence supports.

The parent’s first task is therefore administrative as much as scientific: preserve the record, identify the missing details and ask a clear question. You do not need to solve the discrepancy at the dinner table. Bringing an honest comparison to the tutor can create a valuable lesson in how evidence is used.

These situations can become encouraging rather than upsetting. A child who notices a discrepancy is paying attention. Praise the noticing, then help them investigate it carefully. The educational opportunity is to turn “Which adult is right?” into “What was different, and what can we reasonably conclude?”

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CHAPTER 2 OF 12

Check whether the investigations asked the same question

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Two activities can use similar materials while asking different questions. One may compare how quickly sugar dissolves in water at different temperatures. Another may compare the effects of stirring. Both use sugar and water, but the deliberately changed condition differs. Their results should be interpreted within their own questions.

Ask your child to state each question in a sentence. “Does stirring change the time taken for this amount of sugar to dissolve?” is clearer than “We did dissolving.” “How does the exposed surface affect water loss over this interval?” is clearer than “We tested evaporation.” The specific question identifies what must be compared.

Next, name the condition that was deliberately changed. For a fair comparison, other relevant conditions should be kept as similar as practicable. This does not mean that every classroom investigation is perfectly controlled. It means the pupil should understand why additional differences make interpretation harder.

Identify what was measured or observed. Was the investigation timing the disappearance of visible sugar crystals, measuring water level, recording temperature or counting something? Different outcomes can answer different questions. A result about time taken cannot automatically establish how much substance can dissolve at equilibrium.

Distinguish a demonstration from a comparison. A demonstration may show that an effect can occur without trying to isolate every variable. It can be useful for teaching, but its result should not be presented as a precise comparative experiment. Ask how the teacher or tutor described the purpose before evaluating the setup.

Also check the time scale. One group may have watched for five minutes while another left apparatus for an hour. Some changes are slow or vary across an interval. “It happened faster” needs a defined observation period and method. The child should not compare an early impression from one lesson with a final measurement from another.

For example, a cooling activity might ask which container keeps water warmer after ten minutes. Another might ask how much temperature changes during the first two minutes. Those outcomes are related but not identical. The interpretation depends on starting temperature, container, surroundings and the interval measured.

Once the questions are clear, the apparent conflict may disappear. The two activities may both support useful ideas about different conditions. If the conflict remains, the family now has a narrower inquiry: the same question, different results, and a set of conditions to inspect. That is a much stronger basis for a teacher or tutor discussion.

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CHAPTER 3 OF 12

Build a comparison record that exposes missing conditions

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Use a simple record with these fields: investigation question, deliberately changed condition, measured outcome, starting conditions, timing method, apparatus and result. Add a final field for unknowns. The record does not have to be elaborate. Its value comes from making the two investigations comparable and preventing missing information from being quietly assumed.

For a cooling activity, record the starting water temperature and amount, container material and shape, whether a lid was used, the surrounding location and the measurement interval. Do not insist that the child remembers every detail. Missing details should remain visible so the tutor knows which parts of the explanation are tentative.

For dissolving, useful conditions may include the amount and form of the solute, the amount and temperature of water, the stirring routine, the vessel and the point at which timing stopped. Fine grains and a solid cube have different exposed surface characteristics. Unequal stirring can make a temperature comparison difficult to interpret.

For evaporation, record the exposed surface, starting water amount, surrounding temperature, airflow and observation duration. The measurement method matters too. A water-level change in differently shaped containers is not a direct comparison of equal volume loss unless the geometry is considered. The child can learn to notice that measurement and interpretation are connected.

Keep units attached to measurements. A temperature without a unit or a time without an interval is incomplete. When a worksheet contains a graph, check the axis labels and scale. Sometimes the remembered discrepancy comes from reading the display differently rather than from a different physical result.

Use exact recorded values when available, but do not add false precision. A visual observation may only support “less water remained” or “the level appeared lower.” A classroom reading may have uncertainty. The child should describe the evidence at the level it supports rather than invent decimal places to make it seem more scientific.

Add whether the activity was repeated. Repetition can help reveal whether an apparent difference is consistent, but it does not fix a systematic flaw by itself. If every repeat uses unequal water amounts, the same confounding condition remains. The record should therefore distinguish repeatability from fairness.

Finish with one sentence: “The main difference we can see is…” or “We cannot compare the results confidently because…” This sentence is the bridge to the next lesson. It gives the tutor a teachable question and helps the child avoid turning a complicated discrepancy into a vague claim that school and tuition contradict each other.

For younger pupils, the record can use drawings and short labels. They might draw the two cups, label the water amounts and circle the feature that changed. The tutor can ask them to point to the result rather than require a long written explanation immediately. This keeps the scientific reasoning accessible while language skills are still developing.

For an older primary pupil, ask for a comparison sentence with both values and the relevant interval. “The temperature fell by 12°C in ten minutes” is more informative than “it cooled a lot.” The child should then state which feature was intended to explain the difference. If they cannot link the numerical pattern to the investigation question, that connection becomes the next teaching target.

A parent should not tidy away contradictions in the record. If the pupil remembers that one cup had a lid but the worksheet diagram shows no lid, write down the uncertainty and ask for clarification. Choosing whichever version fits the expected result would remove the information needed to understand what happened. Honest uncertainty is better than a smooth account built from guesses.

The record also helps when the child confuses the prediction with the observation. Ask them to identify which statement was written before the activity and which was recorded afterwards. A prediction expresses an expectation. An observation reports what occurred. Both have a place, but only the latter belongs in the result field. That distinction can resolve an apparent discrepancy before any discussion of variables is needed.

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CHAPTER 4 OF 12

Worked example: two cooling activities that cannot yet be compared

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Imagine the school activity starts with 100 ml of warm water at 60°C in an uncovered cup. After ten minutes, the recorded temperature is 48°C. The tuition activity uses 200 ml at 60°C in a different cup and records 52°C after ten minutes. These are invented values chosen for discussion, not a prediction that a real setup will produce those readings.

The first observation is a 12°C drop; the second is an 8°C drop over the stated interval. The child might conclude that the school cup is a worse insulator. That conclusion is too strong because the water amounts and possibly other conditions differ. The two records do not isolate cup insulation.

Ask what the investigation intended to compare. If the aim was to compare cup materials, relevant conditions such as water amount, starting temperature, lids, exposed surface and surroundings should be made as comparable as possible. The different water amounts are already a reason to withhold the material conclusion until the setup is clarified.

Now consider another possibility. Perhaps the school measured from the moment the water was poured, while tuition started timing after the thermometer reading stabilised. Even with identical containers, those routines could affect the recorded interval. A clear method matters because “ten minutes” must refer to comparable starting and ending points.

The tutor can explain that cooling involves heat transfer between the warmer water and its surroundings, with several features of the setup affecting the observed change. Keep the explanation at the learner’s level. There is no need to introduce advanced equations to show why the comparison requires careful conditions.

Ask the pupil to write a cautious conclusion: “The water in the first setup had a larger measured temperature drop, but we cannot attribute the difference to the cup material because the water amounts and other conditions were not confirmed as equal.” This response separates the observation from a proposed cause.

Then ask what additional information would help. The child might request the exact containers, starting volumes and timing routine. This is a useful scientific question. They are identifying evidence needed to discriminate between explanations, rather than demanding another adult’s authority.

If a repeat is appropriate, the teacher or tutor should decide a safe supervised procedure using suitable equipment and school guidance. Parents should not recreate a hot-water experiment casually to settle an argument. The educational value can often be achieved by comparing records, discussing a proposed fair setup and interpreting a supplied data table.

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CHAPTER 5 OF 12

Worked example: dissolving time is not the same as maximum amount

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Suppose the school lesson compares equal amounts of sugar in equal amounts of water, with one sample warmer than the other and a consistent stirring routine. The pupil observes that the visible sugar disappears sooner in the warmer sample. A tuition activity uses a different amount of sugar and says that some remains undissolved. The child may think the two lessons disagree.

Begin by asking what each activity measured. The first timed the disappearance of a fixed amount under those conditions. The second may have investigated how much could dissolve in the available water. Rate of dissolving and the amount that can dissolve are distinct ideas. They should not be treated as interchangeable conclusions.

Also confirm the substance. Different substances do not necessarily behave identically. A statement demonstrated with sugar should not be broadened automatically to every solid in every liquid. In primary discussion, the tutor can keep the explanation tied to the materials used and avoid a sweeping rule unsupported by the activity.

Consider a second discrepancy: the child remembers cold water appearing faster in tuition. Check the grain size and stirring before abandoning the temperature explanation. If the cold sample used fine grains and vigorous stirring while the warmer sample used a lump and no stirring, several conditions changed together. The activity cannot isolate temperature.

A fair comparison for the chosen question should use the same substance, comparable grain form and amount, equal water amounts and a defined stirring routine, while changing the intended condition. The teacher or tutor determines the appropriate procedure. The pupil’s job is to explain why those controls matter.

Define the end point carefully. “All the sugar has dissolved” may be judged by the absence of visible crystals, but visibility can be affected by the container, lighting and observation angle. Students should use the same stated criterion across samples and recognise that a practical measurement may not be exact.

An invented data exercise could show Sample A reaching the agreed endpoint in 40 seconds and Sample B in 70 seconds, with all relevant listed conditions equal except water temperature. The child can describe which sample had the shorter time. They should then link the proposed explanation to the changed condition, within the scope of the supplied setup.

The important teaching move is to ask a better question before choosing a better answer. “Were they testing time or amount?” can resolve the confusion more effectively than memorising another sentence about dissolving. The child learns that experimental language must name the outcome, the conditions and the limits of the conclusion.

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CHAPTER 6 OF 12

Worked example: water level can mislead an evaporation comparison

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Imagine two containers begin with equal water volumes but have different shapes. After a fixed period, the narrow container shows a larger drop in water level than the wide container. The child concludes that more water evaporated from the narrow container. That conclusion does not follow from level change alone when the cross-sectional areas differ.

For a container with a constant cross-sectional area, volume change relates to area multiplied by height change. A small volume loss can produce a larger height drop in a narrow container than in a wide one. The pupil need not use advanced geometry to understand the issue: the same amount of water spread across a wider base makes a shallower layer.

Use a safe conceptual demonstration or drawing with equal volumes and differently sized bases. The point is measurement meaning, not an unsupervised experiment. Ask whether “one centimetre lower” means the same volume loss in both containers. The answer is no unless the relevant geometry is the same.

A classroom evaporation comparison might instead use suitable mass measurements, or comparable containers designed around the particular question. The appropriate method depends on the task and equipment. Explain that a measurement can be valid for one setup and misleading when casually transferred to another.

Now check the intended variable. If the question concerns exposed surface, the shape difference may be deliberate, but water-loss measurement still needs to support the comparison. If the question concerns airflow, changing container shape at the same time creates an additional difference. The pupil should connect the setup to the question.

The records also need the same observation duration and comparable surroundings. One dish next to a fan and another in a sheltered corner cannot isolate exposed surface alone. Several factors may contribute to an outcome. The child can state that the result is consistent with more than one explanation until the conditions are controlled.

A useful invented response is: “We need to compare the amount of water lost, not only the change in height, because the containers have different widths.” This sentence shows understanding of the measurement problem. It is stronger than simply repeating that “surface area affects evaporation” without applying that idea to the records.

Return to the broader scientific concept after clarifying the measurement. The child can learn the expected relationship under comparable conditions while acknowledging why these two records are insufficient. This is a valuable distinction: a general idea may remain sound even when a particular classroom comparison does not provide clean evidence for it.

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CHAPTER 7 OF 12

Help your child write a conclusion that fits the evidence

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A scientific conclusion should answer the investigation question and stay within what the data supports. The pupil should identify the pattern, link it to the tested condition where justified, and note a significant limitation when relevant. This is a proposed reasoning routine, not a guarantee about any particular examination’s marking scheme.

Begin with the observation. “Sample A took less time to reach the stated endpoint than Sample B” is clear when the recorded times support it. Then name the setup difference. If temperature was the only deliberately changed condition and the other relevant conditions were controlled, the child can interpret the pattern in relation to that comparison.

Avoid universal words unless the evidence and concept warrant them. “Always,” “every” and “proves” often overstate one classroom investigation. The child can use bounded language: “In this investigation…” or “The results support…” The aim is accurate meaning, not adding cautious phrases mechanically to every answer.

For a confounded comparison, the conclusion may need to stop short of a causal claim. “The first setup lost more measured water, but airflow and exposed surface both differed, so we cannot identify which difference caused the result.” This is not evading the question. It is explaining the limit of the evidence.

Distinguish an anomaly from a whole new rule. If one repeat differs sharply from the others, inspect recording and procedure. Do not discard it solely because it is inconvenient, but do not let it automatically overturn the full pattern either. The teacher or tutor can help the pupil compare the result with the method and other observations.

In a school assessment, follow the question’s provided assumptions and data. A pupil should not invent unmentioned conditions to avoid answering a clear supplied comparison. Real-world investigations and written questions can have different scopes. The tutor should explain when the task expects interpretation of stated evidence and when it asks evaluation of experimental design.

Practise with two short responses. One can overclaim: “This proves warm water dissolves all solids faster.” The other can state a supported conclusion about the substance, amounts and conditions in the supplied activity. Ask the pupil which words in the first sentence exceed the evidence and why.

The parent’s role is to encourage a reason, not dictate a stock conclusion. Ask: “What did the numbers show?” and “Which condition did the investigation change?” If the child cannot answer, preserve that uncertainty for the tutor. A beautifully worded conclusion copied from an adult may conceal the very reasoning that needs teaching.

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CHAPTER 8 OF 12

Bring the discrepancy to the teacher or tutor constructively

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Prepare a short comparison rather than a complaint. A helpful opening is: “My child remembers different results from two activities. Could we check whether they tested the same question and used comparable conditions?” The wording takes the child’s observation seriously and invites a scientific explanation.

Bring the records that are actually available. If the school worksheet does not contain the full procedure, say so. If the child is relying on memory, identify that limit. Adults can then distinguish a genuine experimental discrepancy from a remembered conclusion whose conditions have been lost.

Ask one question at a time. For cooling, the key question might concern starting water amount. For dissolving, it might concern stirring or the endpoint. For evaporation, it might concern how water loss was measured. A focused question is easier to answer than “Why does tuition teach something different?”

The Science tutor can model how to compare evidence without criticising the school. They may explain that one activity was a demonstration, that the questions differed, or that the data needs a more cautious interpretation. If an error is found in a worksheet or explanation, it can be corrected plainly with the relevant reason.

The school teacher may also clarify what the class was intended to learn. A child may have missed a condition or remembered a classmate’s result instead of the class conclusion. That possibility should be considered without accusing the pupil of inattentiveness. The record helps everyone locate the uncertainty.

Do not make the child carry adult criticism between lessons. They can ask a learning question, but they should not be responsible for proving that one adult’s experiment was wrong. Adults can use the usual communication channels where a clarification is necessary.

A useful outcome is a revised explanation written by the pupil. For example: “The two dissolving activities used different grain sizes, so their times cannot show the effect of temperature alone.” Ask the child to explain that sentence in their own words and apply it to another setup.

Finish by agreeing the next learning task. It might be labelling variables, reading a data table or distinguishing observation from interpretation. The discrepancy has then become a teachable question with a follow-up. The family can move forward rather than repeatedly reopen the same argument about which classroom result to memorise.

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CHAPTER 9 OF 12

Choose a safe follow-up that answers a narrow question

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A follow-up need not involve repeating the physical activity at home. Often the best next step is a diagram, a supplied data table or a comparison of written procedures. These can teach variable control and evidence interpretation without creating unnecessary equipment or supervision demands.

If a practical repeat is appropriate, let the teacher or tutor choose a safe procedure within the relevant guidance. The aim should be one narrow question. Recreating two loosely remembered activities exactly is usually impossible, and changing several conditions at once will not resolve the cause of the discrepancy.

Ask what evidence would distinguish the explanations. If unequal stirring is suspected, a defined stirring routine can be part of a redesigned comparison. If different starting water amounts are suspected, matching the amounts can remove that difference. The pupil should explain the reason for the change before looking at the new result.

Keep the measurement method consistent. Use the same stated endpoint, comparable instruments and a clear start and stop routine. The child can notice that procedural consistency supports interpretation. It is not simply an adult demand for neatness.

Consider repeats where the task and equipment make them appropriate. Several trials can show whether the result is stable or highly variable. However, repetition does not automatically establish a cause. The relevant conditions still need to fit the question, and any systematic difference remains present across repeated trials.

Record an unexpected result honestly. Do not edit numbers to match the lesson’s expected pattern. If the measurement or procedure was unreliable, note that and discuss what can be concluded. Integrity in recording is part of scientific learning, even when it produces an untidy result.

A good paper-based follow-up asks the pupil to compare two proposed setups and choose which would answer the stated question more clearly. They can identify the condition changed, the outcome measured and one confounding difference. This tests the reasoning directly and can be completed in a short lesson segment.

Stop when the narrow teaching aim has been met. The family does not need a miniature research project to settle a classroom misunderstanding. The child should leave with a clearer question, a better comparison and a more accurate explanation. Further investigations can follow through school or supervised tuition when they serve the curriculum.

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CHAPTER 10 OF 12

Check whether the lesson changed your child’s reasoning

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The strongest sign of progress is that the child can inspect a new investigation, not merely explain the old discrepancy. Ask the tutor for a fresh setup with a different context. The pupil should identify the question, the deliberately changed condition, the measured outcome and a relevant control or limitation.

For example, after discussing dissolving, give a plant-growth comparison in which light exposure and water amount both differ. The child should notice that two conditions changed. They do not need to solve every botanical detail to recognise that the design cannot isolate one of those factors.

After discussing evaporation measurement, give a table with missing units or unequal observation intervals. Ask whether the data can be compared directly. This checks attention to measurement conditions without repeating the original container example. Choose the task at a level suited to the pupil’s current learning.

Record the amount of prompting. A child who independently identifies the additional changed condition has stronger evidence of transfer than one who does so after the tutor names it. Support is useful during teaching, but it should be visible when judging what the student can now do alone.

Also listen to the language. The pupil may begin saying, “We do not know that yet,” or “That is what we saw, but the cause could be different.” These statements can show better separation of observation and explanation. Ask for the reason behind them so they do not become empty cautious phrases.

Do not require a change in school marks immediately after one discussion. Assessments sample several skills, and the next task may not examine this learning target. Use the fresh reasoning task as a small check while continuing to review the broader school evidence over time.

If the pupil keeps choosing an answer by recalling the expected result, return to the investigation question and conditions. The tutor may need to teach variable identification or data reading more explicitly. Adding more Science vocabulary alone may not address the problem.

The parent can recognise progress without turning dinner into an oral examination. A brief question about one new diagram is enough when it has a clear purpose. Keep the review manageable and preserve the child’s curiosity. The aim is a student who can ask better scientific questions, rather than one who feels they must defend every classroom observation.

A short exit task can contain three statements: an observation, a proposed explanation and a prediction. Ask the pupil to sort them and explain the distinction. For example, “The water level was lower after one hour” reports an observation; “Moving air contributed to the water loss” proposes a cause; “The dish beside the fan will lose more water under the listed comparable conditions” predicts a result. Sorting these helps the tutor see whether the learner is confusing stages of scientific reasoning.

Another exit task can ask what information is missing. Provide a table showing two final temperatures but no starting values. The child should recognise that final temperatures alone do not give the amount of cooling. This is a different measurement problem from the original example, making it a useful check of transfer rather than memory.

When reviewing these tasks, praise an accurate limit as well as a correct calculation. “We need the starting temperature” is a productive answer when that information is absent. The pupil is learning to ask for the evidence required by the question, rather than invent a value or choose a familiar conclusion.

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CHAPTER 11 OF 12

Frequently asked parent questions

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Does a different experimental result mean the tutor is wrong? It may, but the result alone is insufficient. Check the investigation question, setup, measurement and record first. Differences can arise because the activities tested different conditions or because a comparison was not well controlled. Any identified error should then be corrected clearly.

Should my child memorise the school result for a test? They should understand the relevant concept and interpret the data and assumptions in the question. Memorising one classroom outcome without its conditions can be misleading. Ask the teacher or tutor how the activity connects to the current topic and what reasoning the pupil should practise.

Can an experiment fail? An activity can produce an unclear result, a measurement problem or an outcome different from expectations. Those situations limit the conclusion, but they can still teach valuable reasoning. Describe what went wrong specifically rather than using “failed experiment” as a reason to discard every observation.

Should we repeat the activity at home? Not automatically. A comparison of records or a paper-based design task may be enough. Any practical repeat should use appropriate supervision, equipment and guidance. Do not improvise hot-water, electrical, chemical or biological activities to settle a tuition disagreement.

How many variables should change? To isolate the effect of a chosen condition in a simple fair comparison, other relevant conditions should be kept comparable. More complex investigations can ask different questions, but a primary pupil should understand the design being used rather than apply a phrase about variables without context.

Does repeating an activity make it fair? No. Repetition can reveal consistency, but the same confounding difference can remain in every trial. The question, variables and measurements still need to support the intended interpretation. Ask the pupil to explain both fairness and repeatability separately.

What if the child remembers no measurements? Treat the memory as incomplete evidence. Ask for the worksheet or clarification where appropriate. The tutor can use an invented comparison to teach the reasoning, but should not claim to have explained the exact classroom discrepancy without enough information.

Can a simple demonstration still be useful? Yes. It can make a concept visible even when it is not a tightly controlled comparison. The teacher or tutor should make its purpose clear. The child should learn what the demonstration shows and which wider conclusions it does not establish.

Where do we check the current Science curriculum? Use MOE’s primary syllabus information and the school’s topic sequence. For eventual PSLE examination requirements, consult the relevant year’s official SEAB information. This guide addresses evidence comparison and does not attempt to reproduce a complete syllabus or marking scheme.

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CHAPTER 12 OF 12

Your next step: one record and one better question

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Choose the discrepancy that most concerns your child and write down the two observations as accurately as possible. Attach the available worksheets or diagrams. Keep the unknown details visible. A useful comparison begins with honest evidence, not with the most confident explanation an adult can offer.

Ask whether the investigations had the same purpose. If they did not, help the pupil explain the difference. If they did, identify the most important condition or measurement that needs clarification. This narrows the conversation and prevents a small classroom puzzle from becoming a broad doubt about Science teaching.

Bring that question to the relevant teacher or tutor through the normal route. The child can participate by describing what they noticed and what they do not yet understand. Adults should take responsibility for any professional clarification and keep criticism out of the pupil’s messenger role.

Ask for one fresh task after the explanation. A new diagram, procedure or data table can show whether the child now recognises the issue independently. The task should target the reasoning, not merely ask for the old conclusion again.

Keep the explanation proportionate. A Primary 3 pupil may need help naming the changed condition. A more experienced pupil may be ready to compare measurement limitations and cautious conclusions. The tutor should meet the learner at the actual point of uncertainty rather than impress the family with advanced terminology.

Use the existing Punggol Science article index for subject reading and the consultation route to discuss how current support can address school evidence. Confirm the available services directly. This article describes a learning process and does not announce a particular Science class format, staffing arrangement or guaranteed assessment result.

The positive outcome is not that your child stops noticing differences. It is that they become better at investigating them. They can preserve an observation, ask about conditions, read measurements and state a conclusion that fits the evidence.

That habit serves more than one lesson. The pupil learns that understanding Science involves questions and checks, not simply accepting whichever adult spoke last. A carefully handled discrepancy can therefore become a reassuring example of Science working as a way to think, with the family and tutors helping the child follow the evidence.

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Keep the final comparison with the pupil’s Science work so it can be revisited when a new investigation appears. Ask the child to identify one condition they would check first next time. That small forward-looking decision helps turn the resolved discrepancy into a reusable habit of evidence comparison, rather than an isolated explanation remembered only for this activity.