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GCSE Chemistry · key term
The long-term pattern and average of weather conditions in a region or across the Earth.
Used by AQA, Edexcel and OCR
Specification 4.9.2.2, 4.9.2.3 · Paper 2
Revise: Anthropogenic Greenhouse Gas SourcesBased on peer-reviewed evidence, many scientists conclude that human activities are increasing surface atmospheric temperature and causing global climate change.
The long-term pattern of weather conditions in a region or across Earth.
Specification 8.26 · Paper 2
The average weather conditions of a place over a long period.
Revise: Modern Atmosphere and Climate ChangeCarbon dioxide and methane are present in small proportions, yet changes in their amounts matter for climate.
Specification C6.3e · Paper 2 (Foundation), Paper 4 (Higher)
The long-term pattern of weather, including temperature and rainfall, in a place or across the Earth.
Revise: Climate Change EffectsWeather describes conditions at a particular time; climate describes patterns over many years. Global warming is the rise in Earth's average temperature, while climate change also includes shifts in rainfall and extreme weather. A small change in a global average can therefore have substantial consequences, even though an individual winter may still be cold.
Distinguish weather from climate: an unusual day or year does not by itself establish or disprove a long-term climate trend.
Link a human activity to the greenhouse gas it increases, then to a possible climate effect.
Link each effect in a chain: more atmospheric carbon dioxide or methane → stronger greenhouse effect → warming → a particular climate impact.
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