Carson's crossword by Jonathan (very hard difficulty)

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Across
  1. 3. a clump of metal that relies on its circuts to work
  2. 6. an elastic sphere that floats
  3. 7. a pink feathery bird
  4. 8. an animal with eight legs
  5. 11. where we live
  6. 12. the number after nine
Down
  1. 1. where we learn educational things
  2. 2. a cute animal that looks like a wombat
  3. 4. an adult that teaches You things
  4. 5. the planet we live on
  5. 9. zero plus one is
  6. 10. a large orange spotted cat