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Conservation and dissipation of energy

Edexcel GCSE Physics

Topic questions Energy Conservation & dissipation of energy

Conservation & dissipation of energy

20 questions · 206 marks · about 3.5 hours

Conservation and dissipation of energy questions

TopicConservation & dissipation of energy

Paper 1 June 2025 Higher tier, Question 6 10 marks

(a)

Figure 10 shows a skier sliding down a slope.

(a)(i)

The gravitational potential energy of the skier decreases by 39 000 J between the top and the bottom of the slope.

The mass of the skier is 70 kg.

Calculate the height, h of the slope.

The value of g is 10 N / kg.

Use the equation

Δ GPE = m × g × h

[2]

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(a)(ii)

The skier starts from rest at the top of the slope.

The velocity of the skier at the bottom of the slope is 27 m / s.

Using information from Figure 10, calculate the acceleration of the skier along the slope.

acceleration =_........ m / s²

[3]

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(a)(iii)

When the skier slides from the top to the bottom of the slope, some energy is dissipated.

Explain how to determine the amount of energy dissipated.

[2]

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(b)

Figure 11 shows athletes running at a constant speed on a curved section of

(b)(i)

Even though they are running at a constant speed, the velocity of each athlete is changing.

State why the velocity of each athlete is changing.

[1]

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(b)(ii)

The athletes start the race on a straight section of track.

Figure 12 shows a distance / time graph for one of the athletes.

Determine the gradient of this graph at a time of 2.5 s.

gradient =_........

[2]

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Paper 2 June 2025 Foundation tier, Question 8 11 marks

Also involves Gravity and weight

(a)

A student places a trolley at the top of a runway, as shown in Figure 17.

The student had to lift the trolley through a height of 26 cm to put it at the top of the runway.

The gravitational potential energy, Δ GPE, of the trolley increases by 4.1 J when lifted to the top of the runway.

The gravitational field strength, g, = 10 N / kg.

(a)(i)

Show that the mass of the trolley is about 1.6 kg.

Use the equation

$Question 8, shown as an image$

[2]

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(a)(ii)

The student releases the trolley and the trolley moves down the runway.

The student assumes that all the extra gravitational potential energy, Δ GPE, stored at the top of the runway is transferred to kinetic energy at the end of the runway.

Calculate the expected value of the velocity of the trolley at the end of the runway.

Use the equation

$Question 8, shown as an image$

expected velocity =_........

[3]

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(a)(iii)

The light gate, shown in Figure 17, is used to determine the actual velocity of the trolley at the end of the runway.

The actual velocity at the end of the runway is less than the expected velocity as calculated in part (ii).

Suggest one way to reduce the difference between the actual velocity and the expected velocity.

[1]

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(b)

(b)(i)

A different student finds out how much power can be generated by running up some stairs in a measured amount of time.

The following quantities are measured:

mass of student = 48 kg

total height of stairs = 2.9 m

time to run up stairs = 3.4 s

Calculate the power the student generated.

Give the answer to 2 significant figures (2 s.f.).

Use the equation

$Question 8, shown as an image$

[3]

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(b)(ii)

Explain how the total height of the stairs can be found using a 50 cm ruler.

[2]

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Paper 2 June 2025 Higher tier, Question 2 9 marks

(a)

A student places a trolley at the top of a runway, as shown in Figure 3.

The student had to lift the trolley through a height of 26 cm to put it at the top of the runway.

The gravitational potential energy, Δ GPE, of the trolley increases by 4.1 J when lifted to the top of the runway.

The gravitational field strength, g, = 10 N / kg.

(a)(i)

Show that the mass of the trolley is about 1.6 kg.

Use the equation

$Question 2, shown as an image$

[2]

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(a)(ii)

The student releases the trolley and the trolley moves down the runway.

The student assumes that all the extra gravitational potential energy, ∆ GPE, stored at the top of the runway is transferred to kinetic energy at the end of the runway.

Calculate the expected value of the velocity of the trolley at the end of the runway.

Use the equation

$Question 2, shown as an image$

expected velocity =_........

[3]

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(a)(iii)

The light gate, shown in Figure 3, is used to determine the actual velocity of the trolley at the end of the runway.

The actual velocity at the end of the runway is less than the expected velocity as calculated in (ii).

Suggest one way to reduce the difference between the actual velocity and the expected velocity.

[1]

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(b)

A different student finds out how much power can be generated by running up some stairs in a measured amount of time.

The following quantities are measured:

mass of student = 48 kg

total height of stairs = 2.9 m

time to run up stairs = 3.4 s

Calculate the power the student generated.

Give the answer to 2 significant figures (2 s.f.).

Use the equation

$Question 2, shown as an image$

[3]

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Paper 1 June 2024 Foundation tier, Question 8 11 marks

Figure 18 shows a person on a skateboard at the top of a ramp.

At P, the person is not moving.

(a)

The person rides the skateboard down the ramp from P to Q.

The gravitational potential energy of the person decreases by 980 J.

The mass of the person is 35 kg.

Calculate h, the height of the ramp.

Use g = 10 N/kg.

Use the equation

change in gravitational potential energy = m maths symbol g h

[2]

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(b)

The kinetic energy, KE, of the person at Q is 950 J.

The mass of the person is 35 kg.

Calculate the velocity of the person at Q.

Use the equation

$Question 8, shown as an image$

[3]

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(c)

Figure 19 is a diagram that represents energy changes from P to Q.

(c)(i)

State what is represented by X.

[1]

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(c)(ii)

Calculate the value of X.

[1]

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(c)(iii)

Calculate the efficiency of the system represented in Figure 19.

[2]

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(d)

The person would like to start from P again but have a greater velocity at Q.

Suggest two ways that this can be achieved.

[2]

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Paper 1 June 2024 Higher tier, Question 9 11 marks

Also involves Elastic and inelastic collisions

(a)

Figure 13 shows a ball being rotated in a horizontal circle.

(a)(i)

Which arrow in Figure 13 shows the direction of the centripetal force on the ball?

$Question 9, shown as an image$

[1]

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(a)(ii)

The ball is moving at constant speed. Give one reason why the velocity of the ball is continuously changing.

[1]

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(b)

Figure 14 shows a gymnast landing on a mat and coming to rest.

The gymnast has a mass of 53 kg.

The gymnast lands on the mat with a velocity of 4.0 m/s.

The average force exerted by the mat on the gymnast is 3500 N.

Calculate the time taken for the gymnast to come to rest.

Give your answer to an appropriate number of significant figures.

Use the equation

$Question 9, shown as an image$

[3]

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(c)

* (c) Figure 15 shows two trolleys, P and Q, moving at the same speed, v, directly towards each other.

The trolleys have the same mass.

When the trolleys collide, they stick together and stop.

Explain how momentum and energy are both conserved in this collision.

[6]

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Paper 1 June 2024 Higher tier, Question 10 12 marks

(a)

Which row of the table shows two transverse waves?

$Question 10, shown as an image$

[1]

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(b)

Figure 16 is an energy diagram for a sound wave incident on a sound-insulating board.

sound-insulating

(b)(i)

The incident energy is 0.25 J.

The absorbed energy is 67 % of the incident energy.

The reflected energy is 15 % of the incident energy.

Calculate the amount of the transmitted energy.

[2]

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(b)(ii)

Give one way to reduce the percentage of energy transmitted through the sound-insulating board.

[1]

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(c)

The ratio of the absorbed energy E_a to incident energy E_i is the coefficient of absorption of sound α.

$Question 10, shown as an image$

The table in Figure 17 gives the coefficient of absorption for various materials.

material	E_a E_i
curtains	0.55
painted walls	0.02
wood floors	0.10
carpeted floors	0.60

$Question 10, shown as an image$

Explain why rooms with carpets and curtains are less noisy than rooms without them.

Use the information given in Figure 17 in your answer.

[2]

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(d)

* (d) Explain how sound waves can be used to determine the depth of the ocean directly underneath a boat.

You may draw a diagram to help with your answer.

[6]

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Paper 2 June 2024 Higher tier, Question 7 10 marks

(a)

Figure 17 shows an athlete training with a push sled.

The athlete pushes the sled with a force of 645 N.

Calculate the distance the sled moves when the force of 645 N does 7440 J of work on the sled.

Give your answer to an appropriate number of significant figures.

distance moved =_........

[3]

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(b)

Figure 18 shows an electric motor lifting a set of masses.

(b)(i)

Describe an experiment, using the apparatus in Figure 18, to determine the gravitational potential energy gained by the masses as they are lifted.

Your description should include any measuring devices to be used.

You may add to the diagram in Figure 18 if it helps your answer.

[4]

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(b)(ii)

In one experiment, the change in gravitational potential energy of the masses was 5.8 J.

The total mass lifted was 320 g.

Calculate the vertical height the masses travelled through.

Use g = 10 N/kg.

height =_........

[2]

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(b)(iii)

The efficiency of the motor was 59%.

State one reason why the motor was not 100% efficient.

[1]

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Paper 2 June 2023 Higher tier, Question 9 11 marks

Also involves Gravity and weight

(a)

Figure 21 shows a pulley system that enables a person to lift a heavy barrel.

The person pulls down on the rope to make the barrel rise through 1.2 m.

The work done against gravity on the barrel is 1800 J.

(a)(i)

Calculate the weight of the barrel.

Use the equation

work done = force maths symbol distance moved in the direction of the force

weight of the barrel =_........

[2]

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(a)(ii)

The efficiency of the system is 64%.

Calculate the total work done by the person.

Use the equation

$Question 9, shown as an image$

work done =_........

[2]

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(a)(iii)

Some energy is wasted due to friction.

Suggest another reason why some energy is wasted in using this pulley system.

[1]

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(b)

*(b) A student has the equipment shown in Figure 22.

Devise an experiment to investigate how the efficiency of the pulley system varies with the weight of metal being lifted.

Your answer should include how you will use your measurements.

[6]

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Paper 1 June 2022 Foundation tier, Question 8 12 marks

(a)

Which statement describes conservation of energy in a closed system?

$Question 8, shown as an image$

[1]

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(b)

A student uses the apparatus in Figure 12 to find out which of two materials, sand or sawdust, is the better insulator.

The student also has a kettle to boil water, a thermometer and a stop clock.

(b)(i)

Draw a labelled diagram to show how the student should set up the equipment to investigate which material is the better insulator.

[3]

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(b)(ii)

Give three factors that the student must control in this investigation.

[3]

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(c)

Expanded polystyrene, used to insulate buildings, has different densities.

Figure 13 shows how the thermal conductivity of expanded polystyrene changes with the density of expanded polystyrene.

density of expanded polystyrene in kg/m³

Figure 13

Using the graph in Figure 13, describe how the thermal conductivity of expanded polystyrene changes with the density of expanded polystyrene.

[2]

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(d)

Figure 14 is an energy diagram for an electric kettle, used to heat water.

$Question 8, shown as an image$

one second = 3000 J one second

one second = 2400 J

(d)(i)

Calculate the amount of energy lost to the surroundings in one second.

energy lost to the surroundings in one second =_........

[1]

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(d)(ii)

Calculate the efficiency of the kettle.

Use the equation

$Question 8, shown as an image$

[2]

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Paper 1 June 2022 Higher tier, Question 2 9 marks

(a)

Which statement describes conservation of energy in a closed system?

$Question 2, shown as an image$

[1]

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(b)

A student uses the apparatus in Figure 3 to find out which of two materials, sand or sawdust, is the better insulator.

The student also has a kettle to boil water, a thermometer and a stop clock.

(b)(i)

Draw a labelled diagram to show how the student should set up the equipment to investigate which material is the better insulator.

[3]

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(b)(ii)

Give three factors that the student must control in this investigation.

[3]

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(c)

Expanded polystyrene, used to insulate buildings, has different densities.

Figure 4 shows how the thermal conductivity of expanded polystyrene changes with the density of expanded polystyrene.

density of expanded polystyrene in kg/m³

Figure 4

Using the graph in Figure 4, describe how the thermal conductivity of expanded polystyrene changes with the density of expanded polystyrene.

[2]

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Paper 2 June 2022 Foundation tier, Question 5 10 marks

(a)

An electric water pump is powered by the 230 V mains supply.

Figure 12 shows the inside of the plug on the cable to the pump.

(a)(i)

One wire in the plug is the earth wire.

The other two wires are

$Question 5, shown as an image$

[1]

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(a)(ii)

Describe the purpose of the component labelled X.

[2]

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(b)

The 230 V mains supply transfers 9000 J of energy to the pump motor in 1 minute.

Calculate the current in the pump motor.

Use the equation

$Question 5, shown as an image$

[3]

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(c)

The system transfers 8400 J of useful kinetic energy to the water passing through the pump in 1 minute.

Figure 13 shows a diagram of the energy transfers.

(c)(i)

Explain why the useful energy transferred to the water is different from the total energy supplied to the pump.

[2]

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(c)(ii)

Calculate the efficiency of the pump.

Use the equation

$Question 5, shown as an image$

[2]

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Paper 1 November 2021 Foundation tier, Question 4 10 marks

(a)

A cyclist has a mass of 64 kg.

(a)(i)

The cyclist rides from a flat road to the top of a hill.

The top of the hill is 24 m above the flat road.

Calculate the gain in gravitational potential energy, ∆ GPE, of the cyclist.

Use g = 10 N/kg

Use the equation

$Question 4, shown as an image$

[2]

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(a)(ii)

The cyclist returns to the flat road.

The mass of the cyclist is 64 kg.

Calculate the kinetic energy of the cyclist when the cyclist is travelling at 6.0 m/s.

Use the equation

$Question 4, shown as an image$

[3]

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(a)(iii)

The cyclist then uses the brakes on the bicycle to stop.

Explain what happens to the kinetic energy of the cyclist.

[2]

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(b)

A different cyclist uses a motorised bicycle.

The motorised bicycle is powered by an electric motor.

Figure 3 is an energy diagram for the motor.

(b)(i)

Calculate how much energy is wasted.

[1]

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(b)(ii)

Calculate the efficiency of the electric motor.

Use the equation:

$Question 4, shown as an image$

[2]

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Paper 2 November 2021 Foundation tier, Question 6 9 marks

This question is about energy changes.

(a)

Figure 11 shows a water slide. A person travels from the top to the bottom of the water slide.

(a)(i)

The mass of the person, m = 72 kg. The change in vertical height, h = 7.0 m Gravitational field strength, g = 10 N / kg

Calculate the change in gravitational potential energy for the person.

Use the equation

change in gravitational potential energy = m × g × h

change in gravitational potential energy =_........

[2]

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(a)(ii)

The person comes to rest after the end of the water slide.

Explain what happens to the energy as the person comes to rest after the end of the water slide.

[2]

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(b)

Figure 12 shows a person pushing a box from the bottom of a slope to the top of the slope.

Explain which one of the three distances shown in Figure 12 should be used to calculate the work done against the force of friction between the box and the slope.

[2]

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(c)

Calculate the kinetic energy of a tennis ball travelling at 28 m/s. The mass of the tennis ball = 58 g.

Use the equation

$Question 6, shown as an image$

kinetic energy =_........

[3]

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Paper 2 November 2021 Higher tier, Question 7 11 marks

(a)

Two cyclists ride on a hilly road and go through points P, Q, R and S.

The diagram in Figure 16 shows how the vertical height of the road changes during the journey from P to S.

(a)(i)

The greatest overall change in gravitational potential energy for each cyclist is between which two points on the journey?

$Question 7, shown as an image$

[1]

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(a)(ii)

The total weight of one cyclist and bicycle is 700 N.

Calculate the total amount of work done against gravity when the cyclist travels from point P to point Q in the journey.

[2]

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(a)(iii)

The gravitational potential energy of the other cyclist changes by 11 250 J when travelling from point Q to point R.

Calculate the mass of this cyclist.

Gravitational field strength = 10 N / kg

Use the equation

∆ GPE = m × g × ∆ h

[2]

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(a)(iv)

Explain why the total amount of work done by a cyclist between points Q and R is different from the change in gravitational potential energy of the cyclist between points Q and R.

[2]

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(a)(v)

The cyclists lubricated the chains and the wheel bearings of their bicycles before setting off.

Lubricating the chains and wheel bearings helps to

$Question 7, shown as an image$

[1]

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(b)

The kinetic energy of another cyclist is 2800 J.

The mass of the cyclist is 85 kg.

Calculate the velocity of this cyclist.

Use the equation

$Question 7, shown as an image$

[3]

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Paper 1 November 2020 Foundation tier, Question 8 11 marks

A student lifts a toy car from a bench and places the toy car at the top of a slope as shown in Figure 16.

(a)

Describe an energy transfer that occurs when the student lifts the toy car from the bench and places the toy car at the top of the slope.

[2]

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(b)

The student lets the toy car roll down the slope.

Describe how the student could find, by experiment, the speed of the toy car at the bottom of the slope.

[4]

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(c)

The student needs to develop the experiment to determine the loss in potential energy and the gain in kinetic energy as the toy car is rolling down the slope.

State the other measurements the student must make.

[2]

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(d)

When the toy car rolls down the slope, some energy is transferred to the surroundings as thermal energy.

State how the student could calculate the amount of energy transferred to the surroundings.

[1]

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(e)

Explain one way the student could reduce the amount of thermal energy transferred to the surroundings as the toy car rolls down the slope.

[2]

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Paper 1 November 2020 Higher tier, Question 2 9 marks

A student lifts a toy car from a bench and places the toy car at the top of a slope as shown in Figure 2.

(a)

Describe an energy transfer that occurs when the student lifts the toy car from the bench and places the toy car at the top of the slope.

[2]

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(b)

The student lets the toy car roll down the slope.

Describe how the student could find, by experiment, the speed of the toy car at the bottom of the slope.

[4]

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(c)

The student needs to develop the experiment to determine the loss in potential energy and the gain in kinetic energy as the toy car is rolling down the slope.

State the other measurements the student must make.

[2]

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(d)

When the toy car rolls down the slope, some energy is transferred to the surroundings as thermal energy.

State how the student could calculate the amount of energy transferred to the surroundings.

[1]

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Paper 2 June 2019 Foundation tier, Question 8 11 marks

(a)

Which of these is the equation for work done?

$Question 8, shown as an image$

[1]

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(b)

A ball has a mass of 0.046 kg.

(b)(i)

Calculate the change in gravitational potential energy when the ball is lifted through a vertical height of 2.05 m.

Use the equation

Δ GPE = m × g × Δ h

[2]

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(b)(ii)

The ball is released.

Calculate the kinetic energy of the ball when the speed of the ball is 3.5 m/s.

[3]

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(b)(iii)

The ball bounces several times.

Figure 15 shows how the height of the ball above the floor changes with time.

Use Figure 15 to estimate the maximum height that the ball reaches after the first bounce.

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(b)(iv)

Explain why the ball does not bounce back to its starting height of 2.05 m.

[2]

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(c)

A student plots a graph showing the height at the start and the maximum height reached after each bounce.

Figure 16 shows the student’s graph.

Describe how the maximum height reached changes with the bounce number in Figure 16.

[2]

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Paper 2 June 2019 Higher tier, Question 2 9 marks

(a)

Which of these is the equation for work done?

$Question 2, shown as an image$

[1]

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(b)

A ball has a mass of 0.046 kg.

(b)(i)

Calculate the change in gravitational potential energy when the ball is lifted through a vertical height of 2.05 m.

Use the equation

Δ GPE = m × g × Δ h

[2]

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(b)(ii)

The ball is released.

Calculate the kinetic energy of the ball when the speed of the ball is 3.5 m/s.

[3]

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(b)(iii)

The ball bounces several times.

Figure 4 shows how the height of the ball above the floor changes with time.

Use Figure 4 to estimate the maximum height that the ball reaches after the first bounce.

[1]

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(b)(iv)

Explain why the ball does not bounce back to its starting height of 2.05 m.

[2]

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Paper 2 June 2018 Higher tier, Question 3 9 marks

A cyclist is riding a bicycle at a steady velocity of 12 m/s.

The cyclist and bicycle have a total mass of 68 kg.

(a)

Calculate the kinetic energy of the cyclist and bicycle.

Use the equation

$Question 3, shown as an image$

[2]

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(b)

Describe the energy transfers that happen when the cyclist uses the brakes to stop.

[2]

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(c)

The cyclist starts to cycle again.

The cyclist does 1600 J of useful work to travel 28 m.

Calculate the average force the cyclist exerts.

[3]

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(d)

An athlete uses a training machine in a gym.

The display on the machine shows the time spent on the machine and the amount of energy transferred during a training session.

Figure 5 shows the displays for two different sessions by the same athlete.

Explain what the displays show about the average power of the athlete in each of these two sessions.

[2]

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Paper 2 June 2018 Higher tier, Question 7 11 marks

(a)(i)

Figure 14 shows the vertical forces on an aeroplane.

Use information from the diagram to determine the size and direction of the resultant vertical force on the aeroplane.

$Question 7, shown as an image$

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(a)(ii)

The aeroplane is descending.

Figure 15 shows a diagram of the resultant vertical and horizontal forces on the aeroplane as it is descending.

Complete the diagram to show the resultant of these two forces.

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(a)(iii)

The mass of the aeroplane is 750 kg.

Calculate the change in gravitational potential energy of the aeroplane as it descends from 1300 m to the ground.

Gravitational field strength (g) = 10 N/kg

[2]

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(b)

The aeroplane is powered by an engine that burns fuel.

The fuel supplies a total of 6500 kJ of energy every minute.

The efficiency of the engine is 0.70 (70%).

(b)(i)

Calculate the power output of the engine.

Give your answer in kW.

[4]

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(b)(ii)

Explain why the efficiency of the engine is less than 1 (100%).

[2]

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Conservation & dissipation of energy

Conservation and dissipation of energy questions

Edexcel 1PH0 Conservation and dissipation of energy 20 questions

Paper 1 June 2025 Higher tier, Question 6 Higher Paper 1 · June 2025 · Question 6 10 marks

Paper 2 June 2025 Foundation tier, Question 8 Foundation Paper 2 · June 2025 · Question 8 11 marks

Paper 2 June 2025 Higher tier, Question 2 Higher Paper 2 · June 2025 · Question 2 9 marks

Paper 1 June 2024 Foundation tier, Question 8 Foundation Paper 1 · June 2024 · Question 8 11 marks

Paper 1 June 2024 Higher tier, Question 9 Higher Paper 1 · June 2024 · Question 9 11 marks

Paper 1 June 2024 Higher tier, Question 10 Higher Paper 1 · June 2024 · Question 10 12 marks

Paper 2 June 2024 Higher tier, Question 7 Higher Paper 2 · June 2024 · Question 7 10 marks

Paper 2 June 2023 Higher tier, Question 9 Higher Paper 2 · June 2023 · Question 9 11 marks

Paper 1 June 2022 Foundation tier, Question 8 Foundation Paper 1 · June 2022 · Question 8 12 marks

Paper 1 June 2022 Higher tier, Question 2 Higher Paper 1 · June 2022 · Question 2 9 marks

Paper 2 June 2022 Foundation tier, Question 5 Foundation Paper 2 · June 2022 · Question 5 10 marks

Paper 1 November 2021 Foundation tier, Question 4 Foundation Paper 1 · November 2021 · Question 4 10 marks

Paper 2 November 2021 Foundation tier, Question 6 Foundation Paper 2 · November 2021 · Question 6 9 marks

Paper 2 November 2021 Higher tier, Question 7 Higher Paper 2 · November 2021 · Question 7 11 marks

Paper 1 November 2020 Foundation tier, Question 8 Foundation Paper 1 · November 2020 · Question 8 11 marks

Paper 1 November 2020 Higher tier, Question 2 Higher Paper 1 · November 2020 · Question 2 9 marks

Paper 2 June 2019 Foundation tier, Question 8 Foundation Paper 2 · June 2019 · Question 8 11 marks

Paper 2 June 2019 Higher tier, Question 2 Higher Paper 2 · June 2019 · Question 2 9 marks

Paper 2 June 2018 Higher tier, Question 3 Higher Paper 2 · June 2018 · Question 3 9 marks

Paper 2 June 2018 Higher tier, Question 7 Higher Paper 2 · June 2018 · Question 7 11 marks

Certified Physics memes. Peer-reviewed by nobody.

Paper 1 June 2025 Higher tier, Question 6 10 marks

Paper 2 June 2025 Foundation tier, Question 8 11 marks

Paper 2 June 2025 Higher tier, Question 2 9 marks

Paper 1 June 2024 Foundation tier, Question 8 11 marks

Paper 1 June 2024 Higher tier, Question 9 11 marks

Paper 1 June 2024 Higher tier, Question 10 12 marks

Paper 2 June 2024 Higher tier, Question 7 10 marks

Paper 2 June 2023 Higher tier, Question 9 11 marks

Paper 1 June 2022 Foundation tier, Question 8 12 marks

Paper 1 June 2022 Higher tier, Question 2 9 marks

Paper 2 June 2022 Foundation tier, Question 5 10 marks

Paper 1 November 2021 Foundation tier, Question 4 10 marks

Paper 2 November 2021 Foundation tier, Question 6 9 marks

Paper 2 November 2021 Higher tier, Question 7 11 marks

Paper 1 November 2020 Foundation tier, Question 8 11 marks

Paper 1 November 2020 Higher tier, Question 2 9 marks

Paper 2 June 2019 Foundation tier, Question 8 11 marks

Paper 2 June 2019 Higher tier, Question 2 9 marks

Paper 2 June 2018 Higher tier, Question 3 9 marks

Paper 2 June 2018 Higher tier, Question 7 11 marks