Day/Night Cycle

123456789
Across
  1. 3. the time of day when the Sun first appears above the horizon in the east
  2. 5. one of the four main compass points; north, south, east, and west
  3. 8. the imaginary line where sky and earth appear to meet, as viewed by an observer on Earth
  4. 9. to spin on a center point, as Earth spins on its axis
Down
  1. 1. to light up or to brighten with light
  2. 2. an imaginary line that passes through the North and South poles on which the Earth rotates
  3. 4. the time of day when the Sun disappears below the horizon in the west
  4. 6. the repeating pattern of day followed by night caused by the spinning of the Earth on its axis every 24 hours
  5. 7. 12:00 o'clock, a time when the Sun is directly overhead and p.m. begins