Extract ideas from the 3.6.8 Applying key ideas text about light and its properties Use information about reflection and refraction to explain the formation of rainbows Apply the ideas to explain the way CDs and DVDs can produce coloured light Describe the ways in Worksheet 3.6.9 Quick starter; 3.6.9 Understanding Energy as a quantity which energy is stored energy transfer and that can be quantified Interactive activity: Describe the ways that change and calculated; the Match the energy can be total energy has the description to the same value before transferred from one type of energy and after a change store to another store; Video Explain that any Comparing the starting with the final change physical or – conditions of a system chemical results in a – and describing transfer of energy increases and decreases in the amounts of energy associated with movements, temperatures, changes in positions in a field, in elastic distortions and in chemical compositions Using physical processes and mechanisms, rather than energy, to explain the intermediate steps that bring about such changes
3.6.8 Applying key ideas Extract ideas from the text about light and its properties Use information about reflection and refraction to explain the formation of rainbows Apply the ideas to explain the way CDs and DVDs can produce coloured light 3.6.9 Understanding energy transfer and change Energy as a quantity that can be quantified and calculated; the total energy has the same value before and after a change Comparing the starting with the final conditions of a system and describing increases and decreases in the amounts of energy associated with movements, temperatures, changes in positions in a field, in elastic distortions and in chemical compositions Using physical processes and mechanisms, rather than energy, to explain the intermediate steps that bring about such changes Describe the ways in which energy is stored Describe the ways that energy can be transferred from one store to another Explain that any change – physical or chemical – results in a transfer of energy Worksheet 3.6.9 Quick starter; Interactive activity: Match the description to the type of energy store; Video