11a - focus on what really makes a planet stand out from the others. Look over the notes we took around the room, as well as the handout from your SSS
11b - know the difference in gravity and inertia, how they work together, and the main factors that affect gravitational force
11c - be able to tell comets, asteroids, and meteors (including metoroids and meteorites) apart, know defining characteristics and composition
11d - Where is Earth? Where in the Milky Way? Near newer or older stars?
12a - Big Bang Theory, how the universe formed, the celestial objects in order of size (universe, galaxy, solar system, etc.), heliocentric and geocentric models
12a1 - Major contributions of these scientists: Ptolemy, Copernicus, Hubble, Galileo, Kepler