the difference between granular, powder, and noodles

at our company, we order various grain sizes of dry chemicals.

and the office secretary asked me, "whats the difference between them?"

so I, realizing she has no science background whatsoever, say, "well, powder is the consistency of blush. and granular is something like salt. and noodles are ... "

and she pipes in, "like rice?"

yeah, so i think we connected on that intellectual level.