Questions: Energy stores, transfers and efficiency
New numbers every time.
Energy stores, transfers and kinetic energy
- Which energy store fills upChoose, 1 mark, Plus
- How energy is transferredChoose, 1 mark, Plus
- Kinetic energy from mass and speedCalculate, 2 marks, Plus
- Kinetic energy with the mass in gramsCalculate, 4 marks, Plus
- Speed from kinetic energyCalculate, 3 marks, Plus
- Change in kinetic energy in kJCalculate, 3 marks, Plus
- How kinetic energy scales with speed and massChoose, 1 mark, Plus
- Energy is never used upExplain, 2 marks, Plus
Potential energy and energy conservation
- Gravitational potential energy gainedCalculate, 2 marks, Plus
- Height from gravitational potential energy in kJCalculate, 3 marks, Plus
- Mass from gravitational potential energyCalculate, 3 marks, Plus
- Elastic potential energy with the extension in cmCalculate, 3 marks, Plus
- Spring constant from stored energyCalculate, 3 marks, Plus
- Falling: GPE becomes kinetic energyCalculate, 5 marks, Plus, Higher tier
- Spring launch: elastic energy becomes kinetic energyCalculate, 6 marks, Plus, Higher tier
- How high a swing can riseShow that, 4 marks, Plus, Higher tier
- Energy stores of a falling ballComplete, 4 marks, Plus
- Energy in a swinging pendulumChoose, 1 mark, Plus
- Estimating gravitational potential energyEstimate, 1 mark, Plus
- Energy stores on a slopeIdentify, 8 marks, Plus
Specific heat capacity
- Energy to warm something, in kJCalculate, 3 marks, Plus
- Temperature rise from energy suppliedCalculate, 4 marks, Plus
- Specific heat capacity from measurementsCalculate, 4 marks, Plus
- Mass of water heatedCalculate, 3 marks, Plus
- Which material warms up mostChoose, 1 mark, Plus
- Required practical: specific heat capacity variablesChoose, 3 marks, Plus
- Required practical: specific heat capacity from resultsDetermine, 6 marks, Plus
- Required practical: specific heat capacity from a graphDetermine, 5 marks, Plus
- Plan the specific heat capacity practical (6 marks)Describe, 6 marks, Plus
- Required practical: repeats, anomaly and meanDetermine, 5 marks, Plus
- Specific heat capacity from a heating experimentAnalyse, 6 marks, Plus
Power
- Power from energy in kJ and time in minutesCalculate, 4 marks, Plus
- Energy from power and timeCalculate, 3 marks, Plus
- Work done lifting, then powerCalculate, 4 marks, Plus
- Comparing two kettlesCalculate, 5 marks, Plus
- What power meansChoose, 1 mark, Plus
- A power station's energy in standard formCalculate, 3 marks, Plus
- Estimating the power of a person running upstairsEstimate, 4 marks, Plus
Efficiency, wasted energy and insulation
- Efficiency as a decimal and a percentageCalculate, 3 marks, Plus
- Useful and wasted energy from efficiencyCalculate, 3 marks, Plus
- Input power from efficiencyCalculate, 4 marks, Plus
- Reading a Sankey diagramDetermine, 3 marks, Plus
- Reducing unwanted energy transfersChoose, 1 mark, Plus
- Required practical: thermal insulation variablesChoose, 3 marks, Plus, Physics only
- Required practical: reading cooling curvesDetermine, 4 marks, Plus, Physics only
- Required practical: layers of insulationDetermine, 5 marks, Plus, Physics only
- Efficiency and wasted powerDeduce, 6 marks, Plus
Energy resources
- Renewable or non-renewableChoose, 2 marks, Plus
- Reliability of energy resourcesChoose, 1 mark, Plus
- Reading an electricity generation chartDetermine, 7 marks, Plus
- How a generation mix changedCalculate, 5 marks, Plus
- Choosing a power station (6 marks)Evaluate, 6 marks, Plus
- Advantages and disadvantages of a resourceExplain, 2 marks, Plus
- Choosing an energy resource (6 marks)Discuss, 6 marks, Plus
- Replacing a coal power station (6 marks)Assess, 6 marks, Plus
Required practical: thermal insulation
- Thermal insulation practical: the variablesIdentify, 3 marks, Plus, Physics only
- Thermal insulation practical: comparing drops, not end temperaturesDetermine, 4 marks, Plus, Physics only
- Thermal insulation practical: energy lost by the waterCalculate, 5 marks, Plus, Physics only
- Thermal insulation practical: why each step is doneChoose, 1 mark, Plus, Physics only
- Thermal insulation practical: hazards and precautionsChoose, 1 mark, Plus, Physics only
- Plan the thermal insulation practical (6 marks)Describe, 6 marks, Plus, Physics only
- Define the terms of energyDefine, 3 marks, Plus
- Plan: comparing insulating materials (6 marks)Plan, 6 marks, Plus, Physics only
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