How Something Works
The purpose of this type of process essay is to inform the reader. The reader is not going to
do the process explained in the essay, but the reader will understand the process when he
or she finishes reading the essay.
How something works, e.g.
How paper is recycled
How your car engine works
How a plant traps the sun’s energy
How student presidents are selected
Example: See the article “How paper is recycled”
Note: grammar focus: Passive voice