How do steam engines work?

How does Billy the steam engine work?
Billy is a steam engine that burns coal to powers its engine.  The heat from the burning the coal boils water, and the steam that is produced is used to power a the engine and make Billy move.

The image below shows the parts of Billy’s engine, and what each of them do. Click on the hot spots to learn more about each one, and then complete the exercise below to see how much you remembered!



Knowledge Check
Now that you understand what each part of Billy’s engine does, try and fill out the blank spaces below to see how much you remember…


Just for fun!
Just for fun, let’s see how good your memory is! Turn over the cards and match the pairs of images…


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