Forces: how steam engines work

This explanation text for year 3 and P4, linking to the topic forces, describes in detail how the force from steam powers a steam engine. The labelled diagram explains each part of the steam engine: firebox, boiler, safety valve, throttle valve, chimney, cylinders and connecting rods.

This downloadable reading pack includes:

  • An A3 reading spread for you to print.
  • Reading comprehension question and answer sheets, differentiated using our magnifying glasses key (on the bottom right). One magnifying glass indicates easier and two means harder.
Year 3
Forces and magnets
Forces: how steam engines work

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