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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Gas Compression and Expansion

This engineering resource, produced by Mathematics in Education and Industry (MEI) for the Royal Academy of Engineering, asks the question: how can you calculate the energy used, or made available, when the volume of a gas is changed? A bicycle pump, a refrigerator and the internal combustion engine change the volume of a gas or a liquid. Boyle’s law is used and students need to be able to integrate to complete the activities. Isothermal change and adiabatic change are considered. The mathematics covered in this resource is to:

  • Be able to interpret data
  • Distinguish between definite and indefinite integrals and interpret a definite integral as an area.

Please note, some interactive files have been removed from this resource, as they are no longer supported by Adobe Flash Player.

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