Reggie's crossword of the day.

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Across
  1. 1. A game of 11 players in two teams
  2. 4. Adequate or enough
  3. 5. An expert in science
  4. 8. Slow mass of ice moving slowly
  5. 11. unable to achieve desired result
  6. 12. A particular branch of knowledge
  7. 13. A group of spectators
  8. 14. A person who instructs children
  9. 15. Sudden or urgent occurrence
  10. 16. Disobedient
  11. 18. Tense or Anxious
Down
  1. 2. A person who writes a novel
  2. 3. A car without gears
  3. 6. A group of plants or animals that are related
  4. 7. Time long past
  5. 9. Performing in the best possible manner
  6. 10. engaged or trained for space flight
  7. 17. to clap loudly