Skip to content
    Chemistry GCSE

    Exothermic and endothermic changes

    What Exothermic and endothermic changes means in Chemistry GCSE, as defined for AQA.

    Definition of Exothermic and endothermic changes

    Check what you remember

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

    Reference: AQA

    An exothermic change releases energy to the surroundings, while an endothermic change absorbs energy from the surroundings.
    AQA · Energy changes and reversible reactions (study guide)

    Topics that use Exothermic and endothermic changes

    Related terms

    Using Exothermic and endothermic changes 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 Chemistry 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 Chemistry GCSE terms