Skip to content
    Combined Science GCSE

    Direct proportion

    What Direct proportion means in Combined Science GCSE, as defined for AQA.

    Definitions of Direct proportion

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

    Read the wording for your board, then hide it and explain Direct proportion in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    A method that converts a ratio into a fraction or percentage of the total by adding the parts to find the total and dividing each part by that total.
    AQA · Genetic inheritance (study guide)
    As the number of fertilisations increases, the expected number of offspring of a particular type increases in step with it.
    AQA · Sex determination (study guide)

    Topics that use Direct proportion

    Related terms

    Using Direct proportion in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Combined Science questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Combined Science GCSE terms