Matching Pairs Central Heating ModelOnline version The central heating model helps to explain what happens in an electric circuit. Match up the statements for the model to what goes on in the circuit. by Gideon Williams 1 The water has most energy when it has just left the boiler, and least energy when it returns to the boiler 2 All the water stays in the pipes 3 Water flows through the pipes 4 In the radiator, energy is transferred from the hot water to the room by heating 5 Pipes let water flow through them 6 The pump pushes the water through the pipes 7 Adding more radiators will make it harder for water to flow around the circuit 8 If you measured the amount of water flowing, you would get the same answer everywhere in the central heating system 9 The boiler transfers heat energy to the water The cell transfers energy to the charges The charges have the most energy when they have just left the cell, and the least energy when they return to the cell Adding more bulbs will make it more difficult for the charges to flow around the circuit Charges flow through the wires All the charges stay in the wires In the bulb, electrical energy is transferred to the surroundings by light and heating If you measured the current flowing, you would get the same reading everywhere in the circuit Wires let charges flow through them The cell pushes the charges around the circuit
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