Earth's rotation and revolution

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Across
  1. 4. amount of time it takes earth to make one revolution
  2. 6. occurs twice a year and is marked by equal hours of day and night; 12 hours each.
  3. 7. One full rotation
  4. 9. An imaginary circle around the middle of the earth, halfway between the North Pole and the South Pole
  5. 12. Occurs 2 times per year when the Sun reaches its highest or lowest point in the sky at noon. Also marked by the longest or shortest day of the year.
  6. 13. side of earth facing the sun
  7. 14. Caused by the revolution of the Earth around the Sun and tilt of the Earth's axis. We experience 4 seasons, Spring, Summer, Fall, and Winter.
  8. 15. theEarth rotates in this direction.
Down
  1. 1. The tilted imaginary line that Earth rotates on. It has a tilt of 23 1/2 degrees.
  2. 2. The path the Earth travels around the sun
  3. 3. The spinning of the Earth on its axis.
  4. 5. The nearly circular path of the planets as they orbit
  5. 8. sunlight that hits Earth's surface straight on; focused and intense
  6. 10. half of a sphere
  7. 11. The complete trip that Earth makes around the Sun. This takes one year or 365 and 1/4 days. Along with the tilt of Earth's axis, this trip makes the Earth have seasons.