I'm putting this paper experiment in my list of things to do with my nephew when he's a bit older. Neat idea, thanks! About the correct word: I have no idea wh

I'm putting this paper experiment in my list of things to do with my nephew when he's a bit older. Neat idea, thanks! About the correct word: I have no idea what the best word is, but the way you wrote it certainly brought images to my mind of various ways I've seen falling debris act. I honestly wonder if using the "best word" would have been less useful to my comprehension - but I'm in general a big fan of the word1/word2/.../wordN way of describing multi-faceted/ambiguous/complex statements.