At the end of this unit
in terms of scientific enquiry
most pupils will: plan a survey of perceptions of temperature, using an appropriate sample; plan an investigation into methods of reducing heat loss; carry this out using ICT for recording temperature data and relate findings to practical implications; select effectively information from secondary sources to compare methods of preventing heat loss in houses; collect and interpret temperature data from a substance changing state
some pupils will not have made so much progress and will: use thermometers safely; present survey data using a chart or table; identify and control key variables in an investigation of insulators for reducing heat loss and draw practical conclusions; select information to report on ways of reducing heat loss in houses; draw a graph of temperature changes when a substance changes state
some pupils will have progressed further and will: make systematic measurements of temperature changes with a precision which enables reliable conclusions to be drawn in an investigation of insulators; evaluate different sources of information on domestic heat loss prevention methods; extrapolate from temperature data on change of state
in terms of physical processes
most pupils will: give examples of common temperatures on the Celsius scale; distinguish between heat and temperature, describe energy flow as the result of temperature difference; describe some uses of good conductors and insulators and examples of conduction in solids and convection in liquids and gases; explain conduction and convection, expansion and change of state in terms of the particle model
some pupils will not have made so much progress and will: give examples of some common temperatures; describe some uses of good conductors and insulators; describe how insulators can reduce heat loss; describe how substances expand and change state
some pupils will have progressed further and will: give examples of a wide range of temperatures on the Celsius scale; compare conductivity of materials and relate this to their uses; use the particle model to explain change of state relating this to the forces between particles
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