AQA · GCSE · Physics

Atomic structure

04.4 · 4 marks Half-life and changing isotope risk A soil sample was taken from the area around Chernobyl in 1986 The soil sample was contaminated with equal amounts of... 02.1 · 1 mark Composition of an Alpha Particle What does an alpha particle consist of? 02.3 · 6 marks Scattering Evidence for the Nuclear Model Describe how the actual results led to the plum pudding model of the atom being replaced by the nuclear model. You should...

AQA · GCSE · Physics

Energy

05.3 · 3 marks Energy-store changes in a gas boiler Figure 8 shows the gas boiler used to heat the house. Describe how different energy stores are changed by the boiler. 05.1 · 3 marks Wall insulation and heat transfer Explain how the wall reduces unwanted energy transfers. 06.2 · 2 marks Energy changes during braking When the brakes are used, the temperature of the brakes increases. Explain why. Use ideas about energy in your explanation. 01.1 · 2 marks Energy Stores in an Electric Whisk Give two energy stores that increase when the whisk is switched on. 01.2 · 1 mark Power, Work and Time Relationship Write down the equation that links power (P), time (t) and work done (W).

AQA · GCSE · Physics

Density practical

02.1 · 6 marks Density of the object calculation Plan an experiment that would allow the student to determine the density of the object.

AQA · GCSE · Physics

Forces

03.1 · 1 mark Mass, momentum and velocity equation Write down the equation that links mass, momentum and velocity. 03.3 · 3 marks Two skaters and momentum conservation Skater A bumps into another skater, Skater B. Skater B is stationary. The skaters move off together in a straight line. Explain... 06.1 · 2 marks Reaction time and thinking distance When the driver is tired, his reaction time increases from $0.50\ \mathrm{s}$ to $0.82\ \mathrm{s}$. Determine the extra... 07.2 · 4 marks Forces and motion of the man The man increases Force A. Explain what happens to Force B and to the movement of the man. 01.4 · 1 mark Resultant force and glider acceleration Write a conclusion for this investigation. Use the data in Table 1. 07.4 · 2 marks Southward force and resultant force The force to the south on the boat increases. What effect does this have on the resultant force on the boat? 01.1 · 2 marks Preventing mass-holder contact in a glider practical Which two statements describe the effect this would have on the glider? Tick two boxes. 01.2 · 1 mark Preventing mass-holder contact in a glider practical The mass holder should not hit the ground before the card passes through the second light gate. Suggest one way that the student... 06.4 · 6 marks Speed, thinking distance and braking distance Describe the relationships shown in Figure 9. You should include factors that would affect the gradient of the lines.

AQA · GCSE · Physics

Magnetism and electromagnetism

02.2 · 3 marks Testing blocks with a permanent magnet Describe how another permanent magnet can be used to identify the blocks. 02.3 · 6 marks Electromagnet lifting and moving the blocks Explain how this electromagnet is able to pick up and move the blocks.

AQA · GCSE · Physics

Waves

05.1 · 2 marks Transverse waves and longitudinal waves Describe the difference between transverse waves and longitudinal waves. 05.3 · 3 marks Radio-wave signals in a car aerial Describe how the radio waves reaching the car aerial produce signals in the electrical circuit of the car radio.

AQA · GCSE · Physics

Electricity

01.4 · 1 mark Electrical Power and Resistance Equation Which equation links current (I), power (P) and resistance (R)? 01.6 · 1 mark Mains Live-to-Neutral Potential Difference What is the potential difference between the live wire and neutral wire in the mains electricity supply?