Update Day 5 materials to better link with EDS 221

[samanthacsik]

https://docs.google.com/document/d/1_BdJHwxTzFwJY7Lg12P0EM1_X_x8vKTnoFlP2RNNOoI/edit?tab=t.0

[ryoliver]

Max and I had an awesome discussion about potential updates to Day 5 to better link to the material in EDS 221, but I didn't get around to it...

Attached is a screenshot of our brainstorm