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P1 (Energy stores, Energy resources and their uses, Specific heat capacity…
P1
Energy stores
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Energy is transferred mechanically (doing work), electrically (moving charges), by heating or by radiation (light and sound)
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Specific heat capacity
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Practical
Block of material with 2 holes. Measure the mass of the block and then wrap it in insulation to reduce energy transferred to the surroundings. Water in the thermometer hole and heater in the other. Measure initial temp and then turn on heater and start stopwatch. As block heats up measure temperature every minute
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Efficency
The less energy wasted, the more efficient the object is
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