Particle model and pressure key terms

gas particles

Small, discrete units of matter that make up gases, which move in constant random motion.

random motion

In Particle motion in gases, random motion means in Particle motion in gases, random motion means the unpredictable movement of gas particles in all directions at varying speeds. Use this term when explaining describe gas particles as moving in constant random motion in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining describe gas particles as moving in constant random motion in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining explain that gas particles collide with each other and with the walls of their container in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining explain that gas particles collide with each other and with the walls of their container in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

collision

An event where gas particles strike each other or the walls of their container, resulting in a transfer of momentum.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining explain that collisions of gas particles with container walls exert a force on the walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining explain that collisions of gas particles with container walls exert a force on the walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

collision

In Particle motion in gases, collision means in Particle motion in gases, collision means an event where gas particles strike the walls of their container, exerting force. Use this term when explaining explain that collisions of gas particles with container walls exert a force on the walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining explain that collisions of gas particles with container walls exert a force on the walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining explain that the force from particle collisions produces gas pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining explain that the force from particle collisions produces gas pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

collision

An event where gas particles strike each other or the walls of their container, resulting in a transfer of momentum.

average kinetic energy

The mean energy of the motion of gas particles, which increases with temperature.

temperature

In Particle motion in gases, temperature means in Particle motion in gases, temperature means a measure of the average kinetic energy of the particles in a substance. Use this term when explaining describe how increasing temperature increases the average kinetic energy of gas particles in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining describe how increasing temperature increases the average kinetic energy of gas particles in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining explain that faster gas particles collide more often and with greater force in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining explain that faster gas particles collide more often and with greater force in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

average kinetic energy

The mean energy of motion of gas particles, which increases with temperature.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining use the particle model to explain why gas pressure increases when temperature increases at constant volume in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining use the particle model to explain why gas pressure increases when temperature increases at constant volume in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

temperature

In Particle motion in gases, temperature means in Particle motion in gases, temperature means a measure of the average kinetic energy of the particles in a substance. Use this term when explaining use the particle model to explain why gas pressure increases when temperature increases at constant volume in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining use the particle model to explain why gas pressure increases when temperature increases at constant volume in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining use the particle model to explain why gas pressure changes when gas particles collide with container walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining use the particle model to explain why gas pressure changes when gas particles collide with container walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

collision

The interaction that occurs when gas particles strike each other or the walls of their container.

gas pressure

In Particle motion in gases, gas pressure means in Particle motion in gases, gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining distinguish gas pressure from atmospheric pressure in particle-model explanations in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining distinguish gas pressure from atmospheric pressure in particle-model explanations in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

atmospheric pressure

The pressure exerted by the weight of the atmosphere above a given point, typically measured in pascals.

gas pressure

In Pressure in gases (physics only), gas pressure means in Pressure in gases (physics only), gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining (Physics only) Explain how changing the volume of a fixed mass of gas changes the frequency of particle collisions with container walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Explain how changing the volume of a fixed mass of gas changes the frequency of particle collisions with container walls in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

collision frequency

The number of collisions per unit time between gas particles and the walls of the container.

gas pressure

In Pressure in gases (physics only), gas pressure means in Pressure in gases (physics only), gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining (Physics only) Explain why decreasing the volume of a gas at constant temperature increases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Explain why decreasing the volume of a gas at constant temperature increases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a substance, typically measured in cubic meters (m³). Use this term when explaining (Physics only) Explain why decreasing the volume of a gas at constant temperature increases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Explain why decreasing the volume of a gas at constant temperature increases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

gas pressure

In Pressure in gases (physics only), gas pressure means in Pressure in gases (physics only), gas pressure means the force exerted by gas particles colliding with the walls of their container. Use this term when explaining (Physics only) Explain why increasing the volume of a gas at constant temperature decreases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Explain why increasing the volume of a gas at constant temperature decreases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a substance, measured in cubic meters (m³). Use this term when explaining (Physics only) Explain why increasing the volume of a gas at constant temperature decreases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Explain why increasing the volume of a gas at constant temperature decreases its pressure in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Pressure

In Pressure in gases (physics only), Pressure means in Pressure in gases (physics only), Pressure means the force exerted per unit area by gas particles colliding with the walls of a container. Use this term when explaining (Physics only) State that pressure multiplied by volume is constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) State that pressure multiplied by volume is constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Volume

In Pressure in gases (physics only), Volume means in Pressure in gases (physics only), Volume means the three‑dimensional space occupied by a gas, measured in cubic metres. Use this term when explaining (Physics only) State that pressure multiplied by volume is constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) State that pressure multiplied by volume is constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Pressure

The force exerted per unit area by gas particles colliding with the walls of their container.

Volume

In Pressure in gases (physics only), Volume means in Pressure in gases (physics only), Volume means the amount of space occupied by a gas, typically measured in cubic meters. Use this term when explaining (Physics only) Apply the relationship pressure x volume = constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Apply the relationship pressure x volume = constant for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

pressure

The force exerted per unit area by gas particles colliding with the walls of their container.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a gas, typically measured in cubic meters. Use this term when explaining (Physics only) Calculate pressure when volume changes at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Calculate pressure when volume changes at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

pressure

The force exerted per unit area by gas particles colliding with the walls of their container.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a gas, typically measured in cubic meters. Use this term when explaining (Physics only) Calculate volume when pressure changes at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Calculate volume when pressure changes at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Pressure

In Pressure in gases (physics only), Pressure means in Pressure in gases (physics only), Pressure means the force exerted per unit area, measured in pascals (Pa). Use this term when explaining (Physics only) Identify pressure in pascals and volume in metres cubed when using the pressure-volume relationship in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Identify pressure in pascals and volume in metres cubed when using the pressure-volume relationship in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Volume

In Pressure in gases (physics only), Volume means in Pressure in gases (physics only), Volume means the amount of space occupied by a substance, measured in cubic meters (m³). Use this term when explaining (Physics only) Identify pressure in pascals and volume in metres cubed when using the pressure-volume relationship in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Identify pressure in pascals and volume in metres cubed when using the pressure-volume relationship in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

pressure

The force exerted per unit area by gas particles colliding with the walls of their container.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a gas, typically measured in cubic meters. Use this term when explaining (Physics only) Interpret pressure-volume data for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Interpret pressure-volume data for a fixed mass of gas at constant temperature in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

pressure

The force exerted per unit area by gas particles colliding with the walls of their container.

volume

In Pressure in gases (physics only), volume means in Pressure in gases (physics only), volume means the amount of space occupied by a gas, typically measured in cubic meters. Use this term when explaining (Physics only) Apply MS 3b, MS 3c and MS 4a skills when calculating or interpreting pressure-volume relationships in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) Apply MS 3b, MS 3c and MS 4a skills when calculating or interpreting pressure-volume relationships in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

work done

In Increasing the pressure of a gas (physics only) (HT only), work done means in Increasing the pressure of a gas (physics only) (HT only), work done means the energy transferred when a force is applied to an object over a distance. Use this term when explaining (Physics only) (HT only) Explain that doing work on a gas transfers energy to the gas in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) (HT only) Explain that doing work on a gas transfers energy to the gas in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

internal energy

The total energy contained within a system, including kinetic and potential energy of particles.

Internal energy

In Increasing the pressure of a gas (physics only) (HT only), Internal energy means in Increasing the pressure of a gas (physics only) (HT only), Internal energy means the total kinetic and potential energy of all gas particles within a system. Use this term when explaining (Physics only) (HT only) Explain that compressing a gas can increase its internal energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) (HT only) Explain that compressing a gas can increase its internal energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

Compression work

The work done on a gas when its volume is reduced, transferring energy to the gas particles

internal energy

The total energy contained within a system due to the kinetic and potential energy of its particles.

temperature

A measure of the average kinetic energy of the particles in a substance, indicating how hot or cold it is.

gas compression

The process of reducing the volume of a gas, which can increase its temperature and pressure.

internal energy

The total energy contained within a system, including the kinetic and potential energy of particles.

work done

In Increasing the pressure of a gas (physics only) (HT only), work done means in Increasing the pressure of a gas (physics only) (HT only), work done means the energy transferred when a force is applied to move an object over a distance. Use this term when explaining (Physics only) (HT only) Link work done on gas particles to increased particle kinetic energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) (HT only) Link work done on gas particles to increased particle kinetic energy in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

particle kinetic energy

The energy that a particle possesses due to its motion, which increases with the speed of the particle.

compression

The process of reducing the volume of a gas, which can increase its pressure and temperature.

temperature increase

The rise in thermal energy of a gas, often resulting from compression or energy transfer.

gas compression

The process of reducing the volume of a gas, which increases its pressure and internal energy.

energy transfer

The movement of energy from one system or object to another, often occurring during processes such as gas compression.

work done

In Increasing the pressure of a gas (physics only) (HT only), work done means in Increasing the pressure of a gas (physics only) (HT only), work done means the energy transferred when a force is applied to an object over a distance. Use this term when explaining (Physics only) (HT only) Apply conservation of energy reasoning to work done on a gas in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning. Use this term when explaining (Physics only) (HT only) Apply conservation of energy reasoning to work done on a gas in Particle model and pressure. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

conservation of energy

The principle stating that energy cannot be created or destroyed, only transformed from one form to another.