AQA · GCSE · Physics

Energy

02.1 · 1 mark Distance, force and work done equation Write down the equation that links distance ($s$), force ($F$) and work done ($W$). 06.2 · 1 mark Energy needed for a state change What name is given to the energy needed to change the state of the liquid coolant? 03.1 · 1 mark Renewable electricity generation on a boat The wind turbine generates electricity to charge a battery on the boat. Name one other renewable energy resource that could be... 06.6 · 3 marks Testing a claimed heat-pump efficiency The air in the building gains 400 J for every 100 J of energy transferred from the mains electricity supply to the compressor.... 03.3 · 2 marks Environmental impact of fossil-fuel electricity Explain one environmental impact of using fossil fuels to generate electricity. 06.1 · 2 marks Coolant temperature and internal energy Explain what happens to the internal energy of the coolant as its temperature increases. 01.3 · 1 mark Energy, power and time equation Write down the equation which links energy ($E$), power ($P$) and time ($t$).

AQA · GCSE · Physics

Forces

06.3 · 3 marks Graph gradient and changing resultant force Explain how the gradient of the line on Figure 10 shows that the resultant force on the car was not constant. 02.5 · 4 marks Changing speed during a race Explain why the speed of a competitor changes during the race. 06.1 · 3 marks Driver’s reaction time calculation Determine the driver’s reaction time. Use the Physics Equations Sheet. 01.4 · 1 mark Extension, force and spring constant equation Write down the equation which links extension ($e$), force ($F$) and spring constant ($k$). 02.7 · 1 mark Benefits of live tracking data The tracking device sends data to a computer during the game. Suggest one advantage of the data being sent during the game.

AQA · GCSE · Physics

Magnetism and electromagnetism

04.2 · 3 marks Predicting force direction on a wire Explain how the direction of the force on the wire can be predicted. 04.1 · 2 marks Force on a current-carrying wire Explain why there is a force on the wire when there is a current in the wire. 04.1 · 1 mark Magnetic-field strength around a magnet Where is the magnetic field of the magnet the strongest? 04.2 · 1 mark Magnetic-field strength from field-line spacing How does Figure 4 show that the strength of the magnetic field is not the same at all places?

AQA · GCSE · Physics

Atomic structure

02.3 · 1 mark Detecting beta radiation with a spark detector A spark detector is a device that can be used to detect alpha radiation. A spark detector works by alpha particles ionising...

AQA · GCSE · Physics

Measurement errors

04.1 · 1 mark Identifying a balance measurement error What type of error is shown on the balance? 04.2 · 1 mark Correcting a balance measurement How could the student get a correct value for the mass of the cube from the balance?

AQA · GCSE · Physics

Displacement method

04.5 · 3 marks Measuring volume by displacement Describe how the student could use a displacement method to determine an accurate value for the volume of a single coin.

AQA · GCSE · Physics

Particle model of matter

06.4 · 2 marks Coolant density, temperature and pressure The compressor increases the density and temperature of the coolant vapour inside the pipe. Explain why the pressure in the pipe...

AQA · GCSE · Physics

Repeat readings and means

03.3 · 1 mark Repeat readings and mean calculation What is the advantage of taking repeat readings and then calculating a mean?

AQA · GCSE · Physics

Waves

03.4 · 2 marks Water depth and wave wavelength The speed of the wave is affected by the depth of the water in the ripple tank. The deeper the water the faster the wave.... 05.1 · 2 marks Infrared imaging of temperature differences Explain why the infrared camera is able to show that parts of the hand are at different temperatures.