Book 2, Chapter 3: Energy Work and Heating and cooling – Year Term 8 2.3.1 Energy, Work work Work done; simple Worksheet 2.3.1; Recognise situations where work 8 2 machines give bigger Technician’s is done. force but at the notes 2.3.1 Describe the relationship work expense of smaller done = × distance. movement (and vice the equation for work done versa): product of force to different situations. and displacement unchanged Year Term 8 2.3.2 Energy, Work Making work Work done; simple Worksheet 2.3.2; Understand what simple 8 2 easier machines give bigger Technician’s machines are. force but at the 2.3.2 Explain why they are useful. expense of smaller Compare and contrast different movement (and vice machines versa): product of force and displacement unchanged Year Term 9 2.3.3 Energy, heating Explaining Heating and thermal Worksheet 2.3.3; Describe how temperature 8 2 and cooling thermal energy equilibrium: Practical differences lead to energy temperature difference 2.3.3; transfer. between two objects Technician’s leading to energy notes 2.3.3 transfer from the hotter Year Term 9 2.3.4 Energy, heating How heat Worksheet 2.3.4; Explain how heat can travel by to the cooler one 8 2 and cooling travels Technician’s conduction, convection and Comparing the starting notes 2.3.4 radiation. with the final conditions Give examples of each of these of a system and happening. describing increases Year Term 9 2.3.5 Energy, heating How to stop Explain the difference between Worksheet 2.3.5; and decreases in the 8 2 and cooling heat from Practical sheet conductors and insulators. amounts of energy travelling 2.3.5; Explain how insulation works. associated with Technician’s Apply ideas about insulation to temperatures notes 2.3.5 practical applications.
Book 2, Chapter 3: Energy – Work and Heating and cooling Year 8 Term 2 8 2.3.1 Energy, Work work Work done; simple machines give bigger force but at the expense of smaller movement (and vice versa): product of force and displacement unchanged Recognise situations where work is done. Describe the relationship work done = × distance. the equation for work done to different situations. Worksheet 2.3.1; Technician’s notes 2.3.1 Year 8 Term 2 8 2.3.2 Energy, Work Making work easier Work done; simple machines give bigger force but at the expense of smaller movement (and vice versa): product of force and displacement unchanged Understand what simple machines are. Explain why they are useful. Compare and contrast different machines Worksheet 2.3.2; Technician’s 2.3.2 Year 8 Term 2 9 2.3.3 Energy, heating and cooling Explaining thermal energy Heating and thermal equilibrium: temperature difference between two objects leading to energy transfer from the hotter to the cooler one Comparing the starting with the final conditions of a system and describing increases and decreases in the amounts of energy associated with temperatures Describe how temperature differences lead to energy transfer. Worksheet 2.3.3; Practical 2.3.3; Technician’s notes 2.3.3 Year 8 Term 2 9 2.3.4 Energy, heating and cooling How heat travels Explain how heat can travel by conduction, convection and radiation. Give examples of each of these happening. Worksheet 2.3.4; Technician’s notes 2.3.4 Year 8 Term 2 9 2.3.5 Energy, heating and cooling How to stop heat from travelling Explain the difference between conductors and insulators. Explain how insulation works. Apply ideas about insulation to practical applications. Worksheet 2.3.5; Practical sheet 2.3.5; Technician’s notes 2.3.5
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