Earth's Rotation and Revolution

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Across
  1. 2. The season in the Northern Hemisphere when the Earth's north end is tilted toward the sun.
  2. 4. The imaginary line that passes through Earth's center. and the North and South Poles
  3. 5. The time it takes for the Earth to make one complete rotation.
  4. 9. Because the Earth takes 365.25 days to orbit the sun, we add a day every four years called
  5. 10. Another name for the fall equinox.
  6. 11. The season in the Northern Hemisphere when the Earth's north end is tilted away from the sun.
  7. 13. Another name for the spring equinox.
  8. 14. The path the Earth takes around the sun.
  9. 15. When neither hemisphere is tilted toward the sun with equal day and night.
Down
  1. 1. The time is takes for the Earth to make one complete revolution.
  2. 2. The sun appears farthest north of the equator once a year and farthest south once each year.
  3. 3. A system of organizing time that defines the beginning, length, and division of a year.
  4. 6. The spinning of the Earth on its axis.
  5. 7. The time from one full moon to another.
  6. 8. The movement of one object around another.
  7. 12. Earth has season because of this and its revolution around the sun.