CO2 & CH4 as Greenhouse Gases (AQA GCSE Chemistry): Flashcards
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Role of greenhouse gases on Earth
Role of greenhouse gases on Earth
Maintain temperatures warm enough to support life
Earth's avg. temp. due to greenhouse effect
Earth's avg. temp. due to greenhouse effect
Approximately 15°C
Mercury's night temp. (no greenhouse effect)
Mercury's night temp. (no greenhouse effect)
−180°C
Type of radiation from Sun to Earth
Type of radiation from Sun to Earth
Shortwave solar radiation
Type of radiation Earth emits to atmosphere
Type of radiation Earth emits to atmosphere
Longwave thermal radiation
What greenhouse gases do with longwave radiation
What greenhouse gases do with longwave radiation
Absorb it, preventing escape to space
Action after greenhouse gases absorb radiation
Action after greenhouse gases absorb radiation
Re-radiate heat back towards Earth's surface
Three key greenhouse gases
Three key greenhouse gases
, ,
Main sources of emissions
Main sources of emissions
Burning fossil fuels, deforestation, industrial processes
Most abundant greenhouse gas
Most abundant greenhouse gas
Water vapour ()
Sources of methane () emissions
Sources of methane () emissions
Livestock, rice paddies, organic waste decay in landfills
Effect of increased greenhouse gas emissions
Effect of increased greenhouse gas emissions
Rising global temperatures, leading to climate change