substance is and the energy Explain why a pan of cooking oil no joulemeter is available, input to the system. heats up faster than a pan of use an ammeter, I, a water, with the same mass of voltmeter, V, and heat the The following equation each, in terms of specific heat applies: material for a fixed amount of capacity. time, t. Calculate the energy Why is water used in central transferred, E, using: heating systems? Define specific heat capacity. Determine the specific heat Describe the factors that affect capacity of water by how quickly the temperature of a experiment. substance increases, eg why change in thermal energy, does a half-full kettle heat up in joules, J faster than a full kettle of ∆E, mass, m, in kilograms, kg Calculate the change in thermal energy, mass, specific heat specific heat capacity, c, in capacity or the temperature joules per kilogram per change of a substance that is degree Celsius, J/kg oC heated or cooled. The equation will be provided on the equations temperature change, in ∆θ, sheet. degrees Celsius, oC The specific heat capacity of Students should be able to a substance is the amount of convert to SI units and use energy required to the standard form in their answers. temperature of one kilogram of the substance by one Explain why special concrete blocks are used in storage degree Celsius. heaters.
substance is and the energy input to the system. The following equation applies: change in thermal energy, ∆E, in joules, J mass, m, in kilograms, kg specific heat capacity, c, in joules per kilogram per degree Celsius, J/kg oC temperature change, ∆θ, in degrees Celsius, oC The specific heat capacity of a substance is the amount of energy required to the temperature of one kilogram of the substance by one degree Celsius. Explain why a pan of cooking oil heats up faster than a pan of water, with the same mass of each, in terms of specific heat capacity. Why is water used in central heating systems? Define specific heat capacity. Describe the factors that affect how quickly the temperature of a substance increases, eg why does a half-full kettle heat up faster than a full kettle of Calculate the change in thermal energy, mass, specific heat capacity or the temperature change of a substance that is heated or cooled. The equation will be provided on the equations sheet. Students should be able to convert to SI units and use standard form in their answers. Explain why special concrete blocks are used in storage heaters. no joulemeter is available, use an ammeter, I, a voltmeter, V, and heat the material for a fixed amount of time, t. Calculate the energy transferred, E, using: Determine the specific heat capacity of water by experiment.
AQA-8464-SOW-MATTER.DOCX