Yes. Systems will have questions concerning the motions and properties of both the exoplanets and their stars. The exoplanets listed as objects will be dealt with as individual objects though there is the possibility of questions concerning the effects of the exoplanets on their parent stars.
Carcharodon. Due to the debatable taxonomic assignment of C. megalodon to either Carcharodon or Carcharocles, questions on evolutionary history of C. megalodon should not appear on Science Olympiad fossil events. Questions about C. megalodon should be limited to the interpretation of the species.
Any compass that allows to take strike, dip, plunge, and trend measurements will be good.
Therefore, students need a compass that, on top of indicating the magnetic North, also has a clinometer and allows sighting distant landmarks.