Easter Egg Hunt #4

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Across
  1. 5. How many hearts does an octopus have?
  2. 6. What force stops humans from floating into space?
  3. 8. What is the largest planet in the solar system?
  4. 9. What is the largest organ in the human body?
  5. 11. What essential gas allows us to breathe?
  6. 12. Where can you find the smallest bone in the human body?
Down
  1. 1. What is the largest known land animal?
  2. 2. What are a group of lions called?
  3. 3. What is to closest planet to the sun?
  4. 4. What are clouds made of?
  5. 7. How many planets are in our solar system?
  6. 10. What is the solid version of water?