C1 -Air Quality Keywords 0.0 / 5 ? ChemistryAir QualityGCSEOCR Created by: parvatiCreated on: 15-11-15 18:59 Atmosphere Thin layer of gas surrounding a planet 1 of 11 Molecule Two or more atoms held together by strong chemical bonds 2 of 11 Particulates Pollution in the form of a particles in the air (eg soot) 3 of 11 Phtotosynthesis Process carried out by green plants in which sunlight, carbon dioxide and water are used to produce glucose and oxygen 4 of 11 Fossil Fuels Fuel such as coal, oil or natural gas, formed millions of years ago from dead plants and animals 5 of 11 Sediment Particles in rock etc, in water that settle to the bottom 6 of 11 Sedimentary Rock Rock formed when sediments are laid down and compacted together 7 of 11 Sedimentation The settling of particles in water to the bottom 8 of 11 Combustion Process in which substances react with oxygen releasing heat 9 of 11 Catalytic Converter A device fitted into a vehicle exhaust to reduce the level of nitrogen oxides and unburnt hydrocarbons emitted 10 of 11 Biofuel Fuel such as wood, ethanol or bio-diesel, obtained from living plants 11 of 11
Comments
No comments have yet been made