Hmm, but popsicle sticks have more durability in space because its cold in space and popsicle sticks have already lived in the freezer.
Chopsticks and match sticks are sort of..."untested" *waves hand in a silly gesture* if you know what I'm talking about here.
Though chopsticks can handle heat, as they go into soups a lot, so if you feel like flying into the sun they'd be awesome. Matchsticks, though, have shown they consistently burn up when put near heat.
Overall result, they're "untested" *whispers the word and makes the gesture again*