# Explain the difference between an exothermic reaction and an endothermic reaction, and give one example of each type of reaction.

> Cambridge International IGCSE Chemistry (0620) — 5.1 Exothermic and endothermic reactions · Explain · 4 marks

## Mark scheme (4 marks)

1. In an exothermic reaction, energy is transferred/released to the surroundings
2. In an endothermic reaction, energy is absorbed/taken in from the surroundings
3. A correct example of an exothermic reaction
4. A correct example of an endothermic reaction

## Key terms

- [exothermic reaction](https://www.gradenine.co.uk/glossary/exothermic-reaction)
- [endothermic reaction](https://www.gradenine.co.uk/glossary/endothermic-reaction)

## Related

- [Revision notes for Cambridge International IGCSE Chemistry (0620)](https://www.gradenine.co.uk/learn)
- [How to answer "Explain" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
- [Practice this with AI marking (free)](https://www.gradenine.co.uk/start)

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Source: [GradeNine](https://www.gradenine.co.uk/q/explain-the-difference-between-an-exothermic-006a1b6d) · Published by Druglandscape Ltd.