Skip to content
    Combined Science GCSE

    Stimulus

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

    Definitions of Stimulus

    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 Stimulus in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    A detectable change in the internal or external environment, such as a change in temperature, light intensity or pressure.
    AQA · The human nervous system (study guide)
    A change in the environment, which may be internal or external.
    AQA · Homeostasis (study guide)

    Topics that use Stimulus

    Related terms

    Using Stimulus 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