Question Constellation Sign up for free AQA · GCSE · Physics
Forces
02.4 · 3 marks Mass of the trolley calculation When the resultant force on the trolley was 0.63 N the acceleration of the trolley was 2.1 m/s². Calculate the mass of the trolley. 01.3 · 1 mark Gravitational field strength, mass and weight equation Write down the equation that links gravitational field strength (), mass () and weight (). 02.3 · 1 mark Acceleration, mass and resultant force equation Write down the equation that links acceleration (), mass () and resultant force ().
AQA · GCSE · Physics
Particle model of matter
02.2 · 3 marks Mass of ice produced calculation Calculate the mass of ice produced. 02.4 · 6 marks Cooling argon particle model Explain the changes in the arrangement and movement of the particles of the argon as the temperature of the air decreased. 03.6 · 1 mark Air volume after release What happens to the volume of the air when it is released from the canister?
AQA · GCSE · Physics
Electricity
01.5 · 1 mark Current, potential difference and resistance equation Write the equation which links current, potential difference and resistance. 03.3 · 2 marks Direct and alternating potential difference Mains electricity is an ac supply. Explain the difference between direct and alternating potential difference. 04.4 · 2 marks Temperature and current in a thermistor The student increased the temperature of the thermistor. Explain how the current in the thermistor changed. 01.3 · 1 mark Reversing current and potential-difference signs How should the student change the circuit to give negative values for current and potential difference? 01.4 · 1 mark Current and potential-difference relationship Name the type of relationship between current and potential difference for a resistor at constant temperature. 01.2 · 1 mark Resistance and current in a circuit How did increasing the resistance affect the current in the circuit? 06.2 · 2 marks Comparing currents in parallel branches Compare the currents I, I and I 06.4 · 6 marks LDR potential-divider meter readings The student builds a different circuit. Figure 11 shows the circuit. Explain how the readings on both meters change when the...
AQA · GCSE · Physics
Energy
03.1 · 1 mark Meaning of a non-renewable energy resource Petrol is a non-renewable energy resource. What is meant by a non-renewable energy resource? 05.1 · 2 marks Electrical heating in a kettle element The heating element of the kettle was connected to the mains supply. Explain why the temperature of the heating element increased. 05.3 · 1 mark Explaining a non-zero graph intercept Suggest why the line on Figure 5 does not go through the origin. 03.4 · 2 marks Comparing low- and high-resistance cables The cable used to connect the car to the mains electricity supply has a low resistance. Explain why it is better to use a cable... 05.4 · 1 mark Non-linear kettle heating results Suggest why the results give a non-linear pattern.
AQA · GCSE · Physics
Atomic structure
06.3 · 2 marks Measured count rate and source activity Activity is the rate at which a radioactive source decays. A teacher measured the count-rate from a sample of lanthanum-140... 06.2 · 1 mark Detecting gamma radiation Why is it difficult to detect gamma radiation? 04.1 · 1 mark Meaning of alpha particle What is an alpha particle? Tick one box.
AQA · GCSE · Physics
Control variables
AQA · GCSE · Physics