Spaced Out!

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Across
  1. 2. The largest planet in our solar system
  2. 4. Tide that occurs when there is a new or full moon
  3. 5. The Earth's natural satellite
  4. 8. What separates the inner and outer planets
  5. 10. The only planet known to support life
  6. 11. The season in the when Australia experiences Summer
  7. 14. A rocky body that orbits the sun
  8. 15. When the moon is more than half lit
  9. 16. A gaseous planet
  10. 18. The number of planets in our solar system
Down
  1. 1. A phase of the moon that causes a neap tide
  2. 3. The approximate time it takes for Earth's natural satellite to orbit around the planet
  3. 6. When the moon is less than half lit
  4. 7. The name of our galaxy
  5. 9. Number of hours it takes for Earth to complete one rotation
  6. 12. The change in water levels on Earth
  7. 13. The planet closest to the Sun
  8. 15. The force that causes the changes in water levels on Earth
  9. 17. What all the planets revolve around