Solar System Crossword

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Across
  1. 4. This planet is sometimes called the "Red Planet."
  2. 6. This planet's rings are composed primarily of ice particles.
  3. 8. The only planet in our solar system known to sustain life.
  4. 9. The largest moon in our solar system.
Down
  1. 1. The hottest planet in our solar system
  2. 2. The only planet in our solar system that rotates on its side.
  3. 3. This planet has the highest number of moons in our solar system
  4. 5. The largest planet in our solar system
  5. 7. The smallest planet in our solar system.