Primary science learning support

Working Scientifically in Primary School: A Parent’s Guide

Understand how children move from noticing and simple tests to choosing enquiry methods, measuring, recording and evaluating evidence—and how to support that thinking at home.

Current answer

What does working scientifically mean?

Working scientifically means learning how to ask answerable questions, gather useful evidence and use that evidence to explain what happened. In England, it is the curriculum term for the practical methods and reasoning children use while learning science: asking questions, choosing a suitable kind of enquiry, observing, measuring, classifying, testing, recording findings, interpreting evidence and evaluating how dependable a conclusion is.

These skills are developed through meaningful science content rather than as a detached set of activities. A child might learn about materials by comparing absorbency, or learn about plants by observing growth over time. The Department for Education makes this point directly:

“It should not be taught as a separate strand.” — Department for Education

The overall progression is from supported noticing, talking and simple recording towards making more independent choices about the question, method, measurement, evidence and conclusion. The same broad scientific habits appear across the UK, although the curriculum names and stages are not identical.

How the terminology differs across the UK

The phrase working scientifically and the KS1-to-KS2 progression below come from England’s curriculum. Parents elsewhere in the UK will recognise many of the same enquiry skills, but the official frameworks organise them differently.

NationCurrent curriculum languageWhat this means for parents
EnglandWorking scientifically within science; KS1, lower KS2 and upper KS2.Statutory details can be described using these terms, while remembering that schools may sequence content differently within a key stage.
ScotlandInquiry and investigative skills within Curriculum for Excellence Sciences; Early, First and Second levels.The levels are flexible and should not be treated as exact equivalents of England’s key stages.
WalesScience and Technology within a 3–16 continuum using progression steps.It is clearer to discuss primary-age progression and scientific inquiry rather than applying England’s KS1 and KS2 structure.
Northern IrelandThe World Around Us; Foundation Stage P1–P2, KS1 P3–P4 and KS2 P5–P7.Northern Ireland uses KS1 and KS2, but the year boundaries and integrated curriculum structure differ from England.

Time-sensitive Northern Ireland note: on 16 June 2026, the Department of Education launched consultation on a proposed Curriculum 2028. The consultation was scheduled to run until 30 September 2026, with phased changes proposed from September 2028. The current curriculum remains the basis for this guide as at 4 August 2026.

How working scientifically develops from KS1 to upper KS2

The progression is not simply from easy experiments to harder ones. It is a gradual move from supported noticing and describing towards choosing methods, measuring systematically, interpreting evidence and judging how much trust to place in a conclusion. The phases below use England’s key-stage terms; they are broad end-of-stage expectations, not a fixed term-by-term timetable.

A broad England-focused progression from supported observation to increasingly independent enquiry, with practical ways parents can help.

Broad phaseWhat children increasingly learn to doHow parents can support

Early primary and England KS1

Ask simple questions; observe closely; use simple equipment; carry out simple tests; identify and classify; use observations to suggest answers; gather and record simple data.

Help the child notice and describe. Offer a small choice of ways to investigate. Accept speech, photographs, drawings, sorting or a tally when these preserve the evidence.

Middle primary and England lower KS2

Ask relevant questions; choose among enquiry approaches; help set up comparative or fair tests; make systematic observations; use standard units and suitable equipment; organise data; draw simple conclusions; suggest improvements or new questions.

Ask what should be observed or measured, what should stay consistent and how findings will be recorded. Leave safe decisions to the child and ask them to explain their reasons.

Later primary and England upper KS2

Plan different enquiries; recognise and control relevant variables; measure with increasing accuracy and precision; repeat readings where useful; use more complex tables or graphs; identify relationships; discuss the degree of trust in findings.

Ask the child to justify the method, consider variation and decide whether repeats would help. Separate what the evidence shows from what was expected, without redesigning the enquiry for them.

Common scientific enquiry approaches in primary science

A fair test is only one possible method. England’s curriculum groups enquiry into observing over time, pattern seeking, identifying and classifying, comparative or fair testing, and using secondary sources. Professional primary-science frameworks may also name problem solving or design enquiry separately, so it is more accurate to say that common approaches include the following.

Six common approaches, each matched to a suitable question, a low-risk example and a useful question an adult can ask.

Enquiry approachWhat it meansLow-risk exampleA useful question to ask

Observing over time

Watching or measuring how something changes over minutes, days, weeks or seasons.

Observe how an ice cube changes every two minutes, using the same viewing position each time.

What will you look for each time, and how will you make the observations comparable?

Pattern seeking

Looking for a relationship in observations or measurements where not every factor can or should be controlled.

With consent, compare hand span and height among willing household members, and limit any conclusion to that small group.

What two things are you comparing, and could something else explain the pattern?

Identifying, classifying and grouping

Using observable properties to recognise similarities, differences and useful groups.

Sort clean, safe household objects by material, flexibility, transparency or absorbency, then explain the rule.

What feature are you using, and could there be another useful way to group the same objects?

Comparative or fair testing

Comparing outcomes while managing relevant conditions. In a fair test, one chosen factor changes and the outcome is observed or measured.

Compare equal-sized paper samples using the same small measured volume of water and the same waiting time.

What are you changing, what are you measuring and what needs to stay similar?

Research using secondary sources

Answering a question with reliable information produced by other people or organisations.

Find out which UK animals are nocturnal by comparing two age-appropriate sources from recognised organisations.

Who produced this information, is it relevant to the exact question and does another reliable source agree?

Problem solving or design enquiry

Applying scientific knowledge to make, test and improve a solution.

Build a paper bridge across a fixed gap, test it with a small number of counters and change one design feature before retesting.

What must the design do, what did the first test teach you and what one change will you try next?

How to turn a broad question into an investigable one

An investigable question is specific enough for a child to decide what evidence would count as an answer and to gather that evidence safely and practically. Narrowing the question does not remove curiosity; it turns curiosity into something evidence can address.

Broad questionMore investigable version
Why do things melt?How does an ice cube change over ten minutes at room temperature?
Which paper is best?Which equal-sized paper sample absorbs the greatest measured amount of water before dripping?
What lives outside?Which kinds of bird can we identify from the window during the same ten-minute period on three mornings?
Are bigger people’s feet bigger?In a small group of willing participants, is there a pattern between height and foot length?
  • Name the exact question

    State precisely what the child wants to find out.

  • Decide what evidence would answer it

    Choose the observation, measurement, comparison, classification or reliable information that would be relevant.

  • Choose a suitable enquiry approach

    Use the method that fits the question rather than turning every idea into a fair test.

  • Replace vague words

    Define words such as “best”, “big” or “fast” with an observable or measurable criterion.

  • Keep the scope manageable

    Set a sensible time, place, amount or number of observations.

  • Choose the simplest useful record

    Use the lightest recording method that will preserve the evidence needed for the answer.

What is a fair test?

A fair test changes one chosen factor, observes or measures an outcome, and keeps other relevant conditions as similar as reasonably possible. The familiar shorthand “change only one variable” is useful, but it does not mean controlling every imaginable detail. The child needs to keep consistent the conditions that could reasonably affect the answer.

For example, when comparing paper absorbency, the paper type might be changed and the amount absorbed measured. Relevant conditions could include the sheet size, water volume, waiting time and handling method. The colour of the tray is unlikely to affect the answer. Some primary-science guidance distinguishes a comparative test between alternatives from a fair test that changes an ordered amount; England’s curriculum commonly groups comparative and fair testing together.

Independent variable

The factor deliberately changed. This formal term is most useful for older primary children.

Dependent variable

The outcome that is observed or measured.

Control variables

Other relevant conditions kept as consistent as reasonably possible.

For younger children

Good comparisons can begin with plain questions such as “What are we changing?”, “What will we look at?” and “What should stay the same?” before formal vocabulary is introduced.

Four low-risk ways to practise scientific thinking at home

These examples use ordinary materials and keep the scientific value in the question, evidence and discussion—not in producing a dramatic result. An adult should oversee the activity and let the child make age-appropriate choices.

Recommendation

Watch an ice cube change

Question: How does an ice cube change every two minutes at room temperature?

You need: one ice cube, a shallow plate, a timer and, if useful, a ruler or camera.

Method: observe at equal time intervals without changing the conditions. Record appearance, approximate size or a photograph from the same position.

Discuss: What changed? What stayed the same? Did the record make each observation easy to compare?

Safety: use a small amount of water and wipe up spills immediately.

Recommendation

Classify everyday materials

Question: How many useful ways can these clean objects be grouped?

You need: a small set of clean, safe household objects made from different materials.

Method: choose an observable property, sort the objects and explain the rule. Then try a second valid grouping.

Discuss: Would another person understand the rule? Could one object fit more than one system?

Safety: leave out sharp, breakable, unknown or unsuitable objects.

Recommendation

Compare paper absorbency

Question: Which equal-sized paper sample absorbs the most measured water before dripping?

You need: equal-sized paper samples, a small measured amount of water, a tray and a timer.

Method: keep the water volume, sheet size, waiting time and handling method the same. Decide before starting how the outcome will be measured.

Discuss: What changed? What was measured? Which conditions mattered? How much trust can you place in the comparison?

Safety: use only small amounts of water and clear spills promptly.

Recommendation

Improve a paper bridge

Question: Which one design change helps a paper bridge hold more counters across the same gap?

You need: paper, two stable supports and a small number of counters.

Method: set a fixed gap, test one design, change one feature and retest using the same loading method.

Discuss: What did the first test teach you? Which change did you make? What would you try next?

Safety: keep loads small and use only safe craft materials on a stable surface.

Evidence before correctness

Try this after an unexpected result

When this applies

Your child’s result does not match their prediction.

Suggested wording

What did you expect, what happened, and how has the evidence changed your thinking?

Why this helps

A prediction is a reasoned starting point, not an answer that has to be right. When the evidence differs, help the child compare the two rather than treating the activity as a failure.

This directs attention to evidence, explanation and revised thinking rather than right or wrong.

Ways to record science without a full written report

The best record is the simplest one that preserves the evidence needed to answer the question. Scientific thinking can be shown through speech, images, objects and numbers as well as writing. Independence can mean making a choice, noticing a pattern or explaining a reason while still using adult help, adapted equipment or another communication method.

General inclusive options include reducing copying, showing the method as a visual sequence, allowing extra thinking time, offering an observation-only role where textures are difficult and accepting an everyday explanation before modelling precise scientific vocabulary.

Recommendation

Spoken explanation

Use a brief audio note or an adult-scribed sentence when talk shows the science more clearly than handwriting.

Recommendation

Consistent photographs

Take images from the same position or at the same interval so change can be compared.

Recommendation

Labelled drawing

Record the feature that answers the question rather than decorating every detail.

Recommendation

Tally or sorted objects

Use quick counts or physical groups where classification is the evidence.

Recommendation

Simple table or chart

Use one when observations or measurements need organised comparison, then discuss what the pattern does and does not show.

Recommendation

Short conclusion stem

Offer optional starters such as “I noticed…”, “The evidence shows…”, “One result was different…” or “Next time I would…”. They are supports, not compulsory formulas.

A simple evaluation checklist

Two or three questions may be enough for a younger child. By later primary, children can increasingly consider unusual results, possible sources of error, repeat readings, improvements and the degree of trust in a conclusion. A small home enquiry usually supports a limited conclusion about those conditions; it rarely proves a universal rule.

  • Question and method

    Did the method collect evidence that answered the question?

  • Consistency

    Were observations or measurements made in the same way each time?

  • Equipment

    Was the equipment suitable and used consistently?

  • Fair-test conditions

    Were the relevant conditions kept reasonably similar?

  • Amount of evidence

    Would another observation or repeat add useful evidence?

  • Unusual findings

    Is one result noticeably different from the rest, and what might explain it?

  • Supported conclusion

    What does the evidence support?

  • Limits

    What does the evidence not allow the child to claim?

  • Improvement

    What could be changed next time?

  • Next question

    What new question follows from the findings?

Sources and further reading

The curriculum sources below are grouped by UK nation. Professional guidance adds practical interpretation, while the two Latimer pages support only the service information and next steps described above.

  • England: National curriculum science programmes of study

    Department for Education · updated 6 May 2015 · accessed 4 August 2026

    Open source 1
  • Scotland: Benchmarks — Sciences

    Education Scotland · March 2017 · accessed 4 August 2026

    Open source 2
  • Scotland: Curriculum levels

    Education Scotland / Parentzone Scotland · published 1 January 2017 · updated 16 June 2023 · accessed 4 August 2026

    Open source 3
  • Wales: Science and Technology introduction

    Welsh Government / Hwb · published 30 April 2019 · updated 28 January 2020 · accessed 4 August 2026

    Open source 4
  • Wales: Statements of what matters

    Welsh Government / Hwb · accessed 4 August 2026

    Open source 5
  • Northern Ireland: Statutory curriculum

    Department of Education Northern Ireland · accessed 4 August 2026

    Open source 6
  • Northern Ireland: The World Around Us

    CCEA · accessed 4 August 2026

    Open source 7
  • Northern Ireland Curriculum 2028 consultation

    Department of Education Northern Ireland · 16 June 2026 · accessed 4 August 2026

    Open source 8
  • Supporting Primary Science Enquiry

    Association for Science Education · 8 September 2025 · accessed 4 August 2026

    Open source 9
  • Improving Primary Science

    Education Endowment Foundation · 28 November 2023 · accessed 4 August 2026

    Open source 10
  • Enquiry Approaches

    Primary Science Teaching Trust · accessed 4 August 2026

    Open source 11
  • KS2 Science tuition

    Latimer Tuition · accessed 4 August 2026

    Open source 12
  • Tutor matching service

    Latimer Tuition · accessed 4 August 2026

    Open source 13

Related guidance

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Key Stage 1 explained for parents

Understand what KS1 means in England, which ages and years it covers, what children learn, and how assessments work now.

Support and clarity

Frequently asked questions

Straight answers to the questions people ask most often.

What does working scientifically mean in primary school?

It means asking scientific questions, choosing a suitable way to answer them, collecting and recording evidence, explaining what it shows and considering how dependable the conclusion is. “Working scientifically” is the formal England curriculum term; related skills are organised differently elsewhere in the UK.

Is working scientifically the same as doing experiments?

No. Experiments and tests are part of it, but children also observe change over time, seek patterns, classify things and use reliable secondary sources. Scientific enquiry involves gathering relevant evidence to answer a question.

What is a fair test, and does every investigation need one?

A fair test changes one chosen factor, observes or measures an outcome and keeps other relevant conditions as similar as reasonably possible. Not every investigation needs one: observation over time, pattern seeking, classification and reliable research often require different methods.

What are variables in a fair test?

For older primary children, the independent variable is what is changed, the dependent variable is what is observed or measured, and control variables are other relevant conditions kept consistent. Younger children can make useful comparisons before they know these formal terms.

What if my child’s prediction is wrong?

A prediction that is not supported by the findings is not failed science. The useful next step is to compare the prediction with the evidence and explain how the findings changed the child’s thinking.

Does my child need to write a full science report?

Not necessarily. A spoken explanation, consistent photographs, a labelled drawing, a tally, sorted objects, a simple table, a chart or a short conclusion may preserve the needed evidence more effectively. The recording method should serve the question.

How can I help without giving the answer?

Ask what the child has noticed, what evidence would help, what they will observe or measure, what should stay similar and what the findings do or do not show. Keep the activity safe and leave age-appropriate choices and explanations to the child.

Is working scientifically the same throughout the UK?

The broad enquiry skills are related, but curriculum names, stages and precise expectations differ. England uses working scientifically and English key stages; Scotland uses Curriculum for Excellence levels, Wales uses a 3–16 Science and Technology continuum, and Northern Ireland teaches related skills through The World Around Us with different stage boundaries.

Sources and references

Sources and references

Official guidance

  • 1.
    National curriculum in England: science programmes of study

    Department for Education · Accessed

    England’s statutory source for working scientifically, enquiry approaches, primary progression, fair testing, recording, evaluation and solar safety. Updated 6 May 2015.

  • 2.
    Benchmarks: Sciences

    Education Scotland · · Accessed

    Scottish benchmark material on investigative progression, flexible evidence, variables, unusual findings and evaluation.

  • 3.
    Curriculum levels

    Education Scotland / Parentzone Scotland · · Accessed

    Guidance on Scotland’s Early, First and Second levels and the flexibility of learner progression. Updated 16 June 2023.

  • 4.
    Science and Technology: Introduction

    Welsh Government / Hwb · · Accessed

    Curriculum for Wales source for the Science and Technology area, 3–16 continuum and progression framing. Updated 28 January 2020.

  • 5.
    Science and Technology: Statements of what matters

    Welsh Government / Hwb · Accessed

    Curriculum for Wales source for curiosity, scientific inquiry, evidence and revising ideas in response to findings.

  • 6.
    Statutory curriculum

    Department of Education Northern Ireland · Accessed

    Current Northern Ireland stage structure and The World Around Us as an area of learning.

  • 7.
    The World Around Us

    Council for the Curriculum, Examinations and Assessment · Accessed

    Northern Ireland curriculum source for observation, classification, exploration, prediction, comparison, planning and review.

  • 8.
    Northern Ireland Curriculum 2028 consultation

    Department of Education Northern Ireland · · Accessed

    Time-sensitive source for the consultation dates and proposed phased introduction from September 2028.

Peer-reviewed research

  • 1.
    Supporting Primary Science Enquiry

    Association for Science Education · · Accessed

    Professional guidance on purposeful enquiry and moving beyond an overemphasis on fair testing.

  • 2.
    Improving Primary Science

    Education Endowment Foundation · · Accessed

    Guidance on developing scientific vocabulary, explanation and working-scientifically skills through guided practice and reflection.

  • 3.
    Enquiry Approaches

    Primary Science Teaching Trust · Accessed

    Professional guidance on multiple enquiry approaches, investigable questions and terminology around comparative and fair testing.

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