8. What did the narrator's classmates do when the narrator played his or her favorite song at show-and-tell? Give at least two details from the text in your answer.

When Grendel says Unferth's "beard and hair hung straight down like seaweed", the literary device used is SIMILE.

Simile is comparing two unrelated and dissimilar things, people, beings, places, and concepts using the words "like", "as" or "such as"

Beard and Hair was compared to seaweed using "like".