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Internal energy and energy transfers key terms

Study Internal energy and energy transfers with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

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Internal energy and energy transfers

AqaGcsePhysicsParticle model of matter

Key terms

  • internal energy

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining define internal energy as the total kinetic energy and potential energy of all particles in a system in Internal energy and energy transfers. 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 define internal energy as the total kinetic energy and potential energy of all particles in a system in Internal energy and energy transfers. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

  • kinetic energy

    The energy possessed by an object due to its motion, calculated as 0.5 times mass times velocity squared.

  • internal energy

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining explain that heating changes the energy stored within a system by increasing particle energy in Internal energy and energy transfers. 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 heating changes the energy stored within a system by increasing particle energy in Internal energy and energy transfers. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

  • heating

    The process of transferring energy to a system, resulting in an increase in particle energy.

  • kinetic energy

    The energy possessed by an object due to its motion, proportional to the mass and the square of its velocity.

  • temperature

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

  • internal energy

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining describe how changing particle arrangement can change the potential energy of particles in Internal energy and energy transfers. 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 changing particle arrangement can change the potential energy of particles in Internal energy and energy transfers. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

  • potential energy

    In Internal energy, potential energy means in Internal energy, potential energy means the energy stored in a system due to the arrangement of its particles. Use this term when explaining describe how changing particle arrangement can change the potential energy of particles in Internal energy and energy transfers. 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 changing particle arrangement can change the potential energy of particles in Internal energy and energy transfers. 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

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining distinguish temperature from internal energy in Internal energy and energy transfers. 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 temperature from internal energy in Internal energy and energy transfers. 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 Internal energy, temperature means in Internal energy, temperature means a measure of the average kinetic energy of the particles in a substance. Use this term when explaining distinguish temperature from internal energy in Internal energy and energy transfers. 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 temperature from internal energy in Internal energy and energy transfers. 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

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining explain why energy transfer can change temperature without changing state in Internal energy and energy transfers. 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 why energy transfer can change temperature without changing state in Internal energy and energy transfers. 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 change

    A change in the average kinetic energy of particles in a substance, which can occur without a change in state.

  • internal energy

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining explain why energy transfer can change state without changing temperature in Internal energy and energy transfers. 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 why energy transfer can change state without changing temperature in Internal energy and energy transfers. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

  • energy transfer

    The process of energy moving from one system or object to another, which can change the state of a substance without changing its temperature.

  • internal energy

    In Internal energy, internal energy means in Internal energy, internal energy means the total kinetic energy and potential energy of all particles in a system. Use this term when explaining use particle motion and particle arrangement to describe changes in internal energy in Internal energy and energy transfers. 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 particle motion and particle arrangement to describe changes in internal energy in Internal energy and energy transfers. 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 arrangement

    The specific organization of particles within a substance that affects its potential energy.

  • Conservation of energy

    The principle that the total energy in an isolated system remains constant; energy can change form but not be created or destroyed.

  • Internal energy change

    The change in the total kinetic and potential energy of all particles within a system, caused by heating or a change of state.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy

    The total kinetic energy of the particles in a substance, related to its temperature.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy

    In Temperature changes in a system and specific heat capacity, thermal energy means in Temperature changes in a system and specific heat capacity, thermal energy means the total energy of all the particles in a system, related to temperature and state. Use this term when explaining recall and apply the equation change in thermal energy = mass x specific heat capacity x temperature change in Internal energy and energy transfers. 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 recall and apply the equation change in thermal energy = mass x specific heat capacity x temperature change in Internal energy and energy transfers. It is curriculum-specific for AQA GCSE Physics 8463 because it links the word to the approved objective rather than a vague everyday meaning.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy

    The total energy of all the particles in a substance, related to temperature and state.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy change

    The change in energy stored in a system due to a change in temperature, calculated using mass, specific heat capacity, and temperature change.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy change

    The amount of energy transferred to or from a system due to a temperature change.

  • specific heat capacity

    The energy needed to raise the temperature of one kilogram of a substance by one degree Celsius.

  • thermal energy

    The total energy of all the particles in a substance, related to temperature and state.