Describe how to split light into different colours Describe how secondary colours of white light can Explain how different be made from primary colours of light. using a prism and correctly use the terms: types of lens are used to Describe the way our eyes detect different colours. spectrum, dispersion. correct long-sight and Explain why coloured objects appear coloured. short-sight. Recall the colours of the visible spectrum, in Explain how filters can be used to make coloured order. Explain how paints of light. different colours can be Recall that the appearance of an object depends Explain why objects look different in light of made by colour on the colour of light shining on it. different colours. subtraction. Recall that filters can be used to make coloured light. Year 8 Science 8K Energy Transfers Expected Attainment Confident Advanced Mastery Year Emerging Group Grade 8 2 Recall that energy can be transferred by heating in Compare conduction in thermal Explain the causes and conduction, radiation and convection. conductors and thermal insulators. effects of wind chill. Recall examples of common thermal conductors and Explain the process(es) in which energy Apply the idea of insulators. is transferred by heating in a given thermal mass to situation. homes. Identify the process(es) in which energy is transferred by heating in a given situation. Compare conduction, convection, Use the formula radiation and evaporation as methods of relating power, energy Describe how energy is transferred in conduction, heat energy transfer. and time (in W, J and convection and radiation. s). Evaluate ways of increasing or Explain why particular materials are used for given Evaluate energy-saving decreasing energy transfer by purposes. conduction, convection, radiation and appliances or Use the particle model of matter to explain energy evaporation. modifications. transfers by conduction and convection. Compare the effects of different rates of Use data to evaluate Recall ways of reducing energy transfer by conduction, conduction in different materials. methods of reducing convection and evaporation. carbon emissions. Use Sankey diagrams to compare Apply the idea of different colours being good or poor appliances or processes. emitters or absorbers. Calculate energy efficiencies. Explain why particular materials are used for given Explain why the efficiency can never be purposes. greater than 100%. Match Sankey diagrams to simple situations. Use data to consider cost efficiency by State the meaning of efficiency and recall some calculating payback times. advantages of efficient appliances. Evaluate different ways of keeping Identify useful and wasted energies. something warm.
Describe how to split light into different colours using a prism and correctly use the terms: spectrum, dispersion. Recall the colours of the visible spectrum, in order. Recall that the appearance of an object depends on the colour of light shining on it. Recall that filters can be used to make coloured light. Describe how secondary colours of white light can be made from primary colours of light. Describe the way our eyes detect different colours. Explain why coloured objects appear coloured. Explain how filters can be used to make coloured light. Explain why objects look different in light of different colours. Explain how different types of lens are used to correct long-sight and short-sight. Explain how paints of different colours can be made by colour subtraction. Year 8 Science 8K Energy Transfers Expected Attainment Year Group Grade Emerging Confident Advanced Mastery 8 2 Recall that energy can be transferred by heating in conduction, radiation and convection. Recall examples of common thermal conductors and insulators. Identify the process(es) in which energy is transferred by heating in a given situation. Describe how energy is transferred in conduction, convection and radiation. Explain why particular materials are used for given purposes. Use the particle model of matter to explain energy transfers by conduction and convection. Recall ways of reducing energy transfer by conduction, convection and evaporation. Apply the idea of different colours being good or poor emitters or absorbers. Explain why particular materials are used for given purposes. Match Sankey diagrams to simple situations. State the meaning of efficiency and recall some advantages of efficient appliances. Identify useful and wasted energies. Compare conduction in thermal conductors and thermal insulators. Explain the process(es) in which energy is transferred by heating in a given situation. Compare conduction, convection, radiation and evaporation as methods of heat energy transfer. Evaluate ways of increasing or decreasing energy transfer by conduction, convection, radiation and evaporation. Compare the effects of different rates of conduction in different materials. Use Sankey diagrams to compare appliances or processes. Calculate energy efficiencies. Explain why the efficiency can never be greater than 100%. Use data to consider cost efficiency by calculating payback times. Evaluate different ways of keeping something warm. Explain the causes and effects of wind chill. Apply the idea of thermal mass to homes. Use the formula relating power, energy and time (in W, J and s). Evaluate energy-saving appliances or modifications. Use data to evaluate methods of reducing carbon emissions.