Semantic Relationships Crossword Puzzle

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Across
  1. 1. state of being on observation: opposite of theoretical
  2. 5. opening of the body or caves
  3. 9. tiny unit of rice
  4. 10. state of being a senior academic who teaches at a college or university
  5. 12. part of a car
  6. 13. kind of science
  7. 15. outer covering of a tree
  8. 16. state of being a member who participants in organized sports
Down
  1. 2. state of being in action to help or support
  2. 3. state of being brought to an end
  3. 4. broken piece of glass
  4. 6. drive part of a computer
  5. 7. kind of instrument
  6. 8. biological unit of life or small room in a prison
  7. 11. source of water or to be in good health
  8. 14. state of being short in supply or limited