I've also seen questions on weather phenomena (not too much, just a question or two on hurricanes). I've also seen questions on specific satellites, like LandSat (I don't really know the details on the questions though, that was my partner's domain, so he did all those questions).
And you know, it's funny that I have no idea what people are talking about in this thread, and I still managed 3rd at Nats. That really was a bad test that year if my partner and I could get 3rd with no idea what we were doing (he did know his stuff better than I knew mine, though).
Fossils: 1st @ reg. 3rd @ states (stupid dinosaurs...) 5th @ nats.
Dynamic: 1st @ reg. 19thish @ states, 18th @ nats
Herpetology (NOT the study of herpes): NA
Enviro Chem: 39th @ states =(
Cell Bio: 9th @ reg. 18th @ nats
Remote: 6th @ states 3rd @ Nats
Ecology: 5th @ Nats