Skip to content
    Combined Science GCSE

    Factors affecting rates

    What Factors affecting rates means in Combined Science GCSE, as defined for AQA.

    Definition of Factors affecting rates

    Check what you remember

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

    Reference: AQA

    Concentration, pressure, surface area, temperature and catalysts change the rate by altering the frequency of collisions or the proportion of particles with energy greater than or equal to the activation energy.
    AQA · Collision theory and activation energy (study guide)

    Topics that use Factors affecting rates

    Related terms

    Using Factors affecting rates 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