structure and bonding compare the properties of the gaseous forms of oxygen and the oxygen free radical identify the origins of chlorofluorocarbons (CFCs) and halons in the atmosphere identify and name examples of isomers (excluding geometrical and optical) of haloalkanes up to eight carbon atoms discuss the problems associated with the use of CFCs and assess the effectiveness of steps taken to alleviate these problems analyse the information available that indicates changes in atmospheric ozone concentrations, describe the changes observed and explain how this information was obtained Students: Students learn to: 5. Human activity identify that water quality can be perform first-hand also impacts on determined by considering: investigations to use qualitative waterways. concentrations of common ions and quantitative tests to analyse Chemical total dissolved solids and compare the quality of monitoring and hardness water samples management turbidity gather, process and present assists in providing acidity information on the range and safe water for dissolved oxygen and biochemical chemistry of the tests used to: human use and to oxygen demand identify heavy metal protect the pollution of water habitats of other identify factors that affect the monitor possible concentrations of a range of ions in organisms eutrophication of waterways solution in natural bodies of water such as rivers and oceans gather, process and present information on the features of describe and assess the effectiveness of the local town water supply in methods used to purify and sanitise terms of: mass water supplies catchment area possible sources of contamination in this catchment describe the design and composition of chemical tests available to microscopic membrane filters and determine levels and types of explain how they purify contaminated contaminants
structure and bonding compare the properties of the gaseous forms of oxygen and the oxygen free radical identify the origins of chlorofluorocarbons (CFCs) and halons in the atmosphere identify and name examples of isomers (excluding geometrical and optical) of haloalkanes up to eight carbon atoms discuss the problems associated with the use of CFCs and assess the effectiveness of steps taken to alleviate these problems analyse the information available that indicates changes in atmospheric ozone concentrations, describe the changes observed and explain how this information was obtained Students learn to: Students: 5. Human activity also impacts on waterways. Chemical monitoring and management assists in providing safe water for human use and to protect the habitats of other organisms identify that water quality can be determined by considering: concentrations of common ions total dissolved solids hardness turbidity acidity dissolved oxygen and biochemical oxygen demand perform first-hand investigations to use qualitative and quantitative tests to analyse and compare the quality of water samples gather, process and present information on the range and chemistry of the tests used to: identify heavy metal pollution of water monitor possible eutrophication of waterways gather, process and present information on the features of the local town water supply in terms of: catchment area possible sources of contamination in this catchment chemical tests available to determine levels and types of contaminants identify factors that affect the concentrations of a range of ions in solution in natural bodies of water such as rivers and oceans describe and assess the effectiveness of methods used to purify and sanitise mass water supplies describe the design and composition of microscopic membrane filters and explain how they purify contaminated
9.4%20Chemical%20Monitoring%20and%20Management%20Scope%20and%20Sequence.docx