Unit 2: Vowel changes I

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Across
  1. 3. a hindrance or obstruction
  2. 5. to change or modify
  3. 8. the condition or quality of being exact
  4. 11. appreciative
  5. 12. appreciation for something received
  6. 15. A person who competes or takes part in sports
  7. 17. A bright zone of burning gasses formed as a result of fire
  8. 18. to slow down
  9. 19. too tiny for the human eye to see
  10. 21. an instrument involving lenses that magnifies tiny objects
  11. 22. to meet present needs
  12. 23. kind
Down
  1. 1. as much is needed
  2. 2. the act of starting a fire
  3. 4. distinct from others
  4. 6. a basic unit of measurement
  5. 7. the pull towards the center of an object
  6. 9. able to be set on fire
  7. 10. extremely serious or critical
  8. 13. Physically strong
  9. 14. the act or process of revising
  10. 16. human beings
  11. 20. to set on fire
  12. 21. involving the basic base 10 scale