This easy to plan assignment is great for getting students to understand Fitzgerald's language & stylistic choices in Chapter 2 of The Great Gatsby.
These tasks cards guide students through a visualization of the Valley of Ashes. I recommend doing step 1 as a Do Now or quick write. You could also read the first 3 paragraphs of the chapter aloud, having student jot down descriptors as you read.
The rest of the task could easily be done individually as a more formal graded assignment or in small groups for an in-class activity.