Describe the warming Worksheet 3.6.10; Quick starter; 3.6.10 Explaining thermal Heating and thermal and cooling of objects conduction and equilibrium: Practical sheet 3.6.10; Slideshow: Energy Explain the relationship radiation temperature Technician's notes transfers around the difference between between energy 3.6.10 home; Interactive two objects leading to transfer and activity: Drag the energy transfer from temperature change statements and the hotter to the cooler Compare the transfer one, through contact descriptions into the of energy by thermal (conduction) or conduction and by correct group - radiation; such radiation energy transfer by transfers tending to conduction, or reduce the temperature energy transfer by difference: use of radiation insulators Describe the use of Worksheet 3.6.11 Quick starter; 3.6.11 Understanding Energy as a quantity fuels in the home energy transfers by that can be quantified Interactive activity: Explain that foods are fuels and food and calculated; the Drag the units into energy stores and that total energy has the the correct group - same value before the amount stored can unit of energy, or and after a change be measured not a unit of energy; Explain that energy is Comparing energy Video values of different not a material and can foods (from labels) be neither created nor (kJ) destroyed Other processes that involve energy transfer: metabolism of food, burning fuels Describe what is Worksheet 3.6.12 Quick starter; 3.6.12 Comparing rates of Comparing power meant by of energy transfer ratings of appliances ‘rate Interactive activity: energy in watts (W, kW) transfer’ Match the Recall and use the Comparing amounts calculated quantity correct units for rate of of energy transferred to the correct energy transfer (J, kJ, kW hour) description Calculate quantities of energy transferred when change happens
3.6.10 Explaining thermal conduction and radiation Heating and thermal equilibrium: temperature difference between two objects leading to energy transfer from the hotter to the cooler one, through contact (conduction) or radiation; such transfers tending to reduce the temperature difference: use of insulators Describe the warming and cooling of objects Explain the relationship between energy transfer and temperature change Compare the transfer of energy by thermal conduction and by radiation Worksheet 3.6.10; Practical sheet 3.6.10; Technician's notes 3.6.10 Quick starter; Slideshow: Energy transfers around the home; Interactive activity: Drag the statements and descriptions into the correct group - energy transfer by conduction, or energy transfer by radiation 3.6.11 Understanding energy transfers by fuels and food Energy as a quantity that can be quantified and calculated; the total energy has the same value before and after a change Comparing energy values of different foods (from labels) (kJ) Other processes that involve energy transfer: metabolism of food, burning fuels Describe the use of fuels in the home Explain that foods are energy stores and that the amount stored can be measured Explain that energy is not a material and can be neither created nor destroyed Worksheet 3.6.11 Quick starter; Interactive activity: Drag the units into the correct group - unit of energy, or not a unit of energy; Video 3.6.12 Comparing rates of energy transfer Comparing power ratings of appliances in watts (W, kW) Comparing amounts of energy transferred (J, kJ, kW hour) Describe what is meant by ‘rate of energy transfer’ Recall and use the correct units for rate of energy transfer Calculate quantities of energy transferred when change happens Worksheet 3.6.12 Quick starter; Interactive activity: Match the calculated quantity to the correct description