Crossword puzzle

123456
Across
  1. 2. side to side
  2. 4. connect
  3. 6. the rigid outer part of the earth, consisting of the crust and upper mantle
Down
  1. 1. large continuous mass of land conventionally regarded as a collective region.
  2. 3. hot, dense ball of (mostly) iron.
  3. 5. divide