Onomatopoeia is a literary device in which a word is named after the sound it is trying to describe. Splash, sizzle, and meow are all examples of onomatopoeia. So, let's look at the poem in question. Examples of onomatopoeia in this poem can include "sputter," "mutter," "snap," and "hummed." Hope this helps.
This isn't enough to avoid plagiarism because you listing your cites might help your teacher know where you found your information, but you still may have copied from the source.