Day and night

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Across
  1. 3. The line dividing light and dark on Earth
  2. 5. The star that lights up our solar system
  3. 6. The movement of Earth around the Sun
  4. 8. When the Sun is overhead, shadows are the ______
  5. 10. Regions that share the same clock time
  6. 12. The bright part of the day
  7. 13. One half of the Earth
  8. 14. An imaginary line from pole to pole
  9. 16. FOUR HOURS The time Earth takes for one rotation
  10. 17. The spinning motion of the Earth
Down
  1. 1. The side of the Earth not facing the Sun
  2. 2. The circle that separates day from night on Earth
  3. 4. The line that divides the Earth into northern and southern halves
  4. 7. The direction where the Sun rises
  5. 8. A dark shape formed when something blocks light
  6. 9. The direction where the Sun sets
  7. 11. When Earth rotates, it causes day and ______
  8. 15. The planet we live on
  9. 18. The invisible line Earth spins around