The Inner Planets

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Across
  1. 2. The surface of Mercury looks most similar to the surface of the________.
  2. 3. The inner planets are characterised as solid and __________.
  3. 6. The inner planets lie between the sun and the _________ belt.
  4. 10. The four planets closest to the sun are known as the _________ planets.
Down
  1. 1. There are many ___________ on Venus.
  2. 4. The planet known as the Red Planet.
  3. 5. Venus and ___________ are the only two planets that do not have moons.
  4. 7. One of Mars' two moons.
  5. 8. The planet known as the Evening Star.
  6. 9. The inner planets each have a core, a mantle and a _________.