• Students should have some familiarity with the terms hemispheres, phases of the moon, orbit, rotation, earth’s axis, earth’s poles, north star. These terms are used in the student video with little or no explanation provided.
  
• Is the Earth rotating? – i.e. spinning on its own axis?
  
• Why do the Sun and stars rise and set?
  
• What is the distinction between real motion vs. apparent motion?