Particle model and pressure key terms

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.