Discuss each question with your team. Be prepared to explain the reasoning behind your team's answers after the quiz.

1. Which star is hottest?
   • a G5 main sequence star
   • a K2 supergiant
   • an F3 main sequence star
   • an F8 horizontal branch giant
2. Which star would look brightest from Earth?
   • a star 800 parsecs away with an absolute magnitude of 5
   • a star 900 parsecs away with an apparent magnitude of 3
   • a star 1200 parsecs away with an apparent magnitude of 4
   • a star 10 parsecs away with an absolute magnitude of 8
3. Bright stars appear bigger to the naked eye because ________
   • they are closer.
   • they are bigger.
   • the atmosphere scatters their light more.
   • our eyes can detect their scattered light at larger angles.
4. When a main sequence star becomes a giant, it ________
   • increases in temperature and luminosity.
   • decreases in temperature and luminosity.
   • increases in temperature and decreases in luminosity.
   • decreases in temperature and increases in luminosity.