planets

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Across
  1. 1. Saturn is made of hydrogen and what
  2. 5. this is the only planet not named after a god
  3. 6. mercury has two of these at the end and beginning and end of its day
  4. 7. Venus has a surface hot enough to melt what kind of metal
  5. 8. Jupiter has 53 what
Down
  1. 2. there is so much water on Mars to fill what lake twie
  2. 3. Uranus has 13 of these that are hard to see
  3. 4. fourth largest planet