GCSE Chemistry
Earth and atmosphere
revision.
Play this section How the atmosphere evolved, greenhouse gases, climate change and atmospheric pollutants.
Earth and atmosphere guides
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Students type: life cycle assessment GCSE Chemistry
Open guide Revision guidePotable waterStudents type: potable water treatment GCSE Chemistry
Open guide Revision guideThe early atmosphereStudents type: evolution of Earth’s atmosphere GCSE Chemistry
Open guide Revision guideAtmospheric pollutantsStudents type: incomplete combustion carbon monoxide GCSE Chemistry
Open guide Revision guideThe greenhouse effect and climate changeStudents type: greenhouse effect long-wave radiation GCSE Chemistry
Open guide Revision guideThe atmosphereStudents type: evolution of Earth’s atmosphere GCSE
Open guideThe atmosphere
How Earth’s atmosphere changed, the greenhouse effect, climate change, carbon footprint and pollutant gases from combustion.
The greenhouse effect and climate change
GCSE Chemistry revision on the greenhouse effect and climate change: CO₂, methane and water vapour, long-wave radiation, human activities, and carbon footprint.
Atmospheric pollutants
GCSE Chemistry revision on atmospheric pollutants: complete and incomplete combustion, carbon monoxide, soot, sulfur dioxide, oxides of nitrogen and acid rain.
The early atmosphere
GCSE Chemistry revision on the early atmosphere: volcanic CO₂, condensing oceans, photosynthesis producing oxygen, and how the modern nitrogen–oxygen air formed.
Potable water
GCSE Chemistry revision on potable water: screening, sedimentation, filtration, chlorination, desalination by distillation or reverse osmosis, and the required practical to test and purify water.
Life cycle assessments
GCSE Chemistry revision on life cycle assessments: raw materials, manufacture, use, disposal, recycling, and how to compare products without pretending every number is exact.
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More GCSE Chemistry
in the same style.
Teacher-written GCSE Chemistry revision for Combined and Triple Science: atomic structure, bonding, the periodic table, acids, electrolysis, rates, organic chemistry, calculations and the atmosphere.
All Chemistry revision