Earth's Rotation/Revolution

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Across
  1. 2. The shape of an ellipse, which is an elongated circle stretched into an oval
  2. 6. Earth's motion around the Sun; Earth takes 1 year, or 365 days, to make a single revolution
  3. 7. to light up
  4. 9. To cause to lean, incline, slope, or slant (Earth has a 23.5 degree tilt)
  5. 10. A shaded region that results when light falls on an object and thus cannot reach into the region on the far side of the object.
  6. 11. To go around something in a circle; to turn around in a circle (Ex. the Earth revolves around the Sun)
  7. 12. The coldest season of the year when the Earth is tilted away from the sun
  8. 14. A typical star that is the source of light and heat for the planets in its solar system
  9. 15. The spinning of Earth on its axis (24 hours for full rotation)
  10. 16. The exact moment when the last edge of the Sun falls below the horizon, occurs in the West
  11. 18. The warmest season of the year when the Earth is tilted closest to the sun
Down
  1. 1. One half of the Earth
  2. 3. The exact moment when the first edge of the Sun peeks over the horizon, occurs in the east
  3. 4. The path of an object as it revolves around another object in space (the Earth orbits around the Sun)
  4. 5. A device that uses the position of shadows cast by the sun to tell the time of day
  5. 8. The northern most point of the Earth's axis
  6. 10. Caused by the tilt of Earth on its axis as it revolves around the Sun
  7. 13. An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
  8. 17. The southern most point of the Earth's axis