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7L ELECTRICAL CIRCUITS (TS3-EP) HOW DOES A TORCH WORK? A torch has a circuit in it. Use the diagram of a torch to describe and explain your ideas about energy and electricity. Use the level ladder below to help you achieve your target. TASK Draw a circuit diagram of the torch. Use a model of an electric circuit to explain how the circuit works. Use the diagram above to help you explain how the torch works. Identify and explain the limitations of the model circuit. KEY WORDS LEVELS 3 AND 4 battery (cell), bulb, conductor, current, insulator, metal, plastic, switch, voltage, wire Key words Levels 5-7 battery (cell), bulb, conductor, current, insulator, metal, plastic, switch, voltage, wire KEY WORDS LEVEL 8-EP battery (cell), bulb, conductor, current, energy transfer, insulator, metal, model, plastic, switch, voltage, wire Y7 LEVEL-ASSESSED TASKS: TASK SHEET (L3-EP) BADGER PUBLISHING LTD