Look at the word Psychology

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Across
  1. 3. learning biology, chemistry, physics
  2. 4. info
  3. 5. repeat or stress
  4. 9. mood
  5. 13. subject explains why human actions
  6. 16. thinking
  7. 17. awareness
  8. 18. system or method
  9. 19. doing
Down
  1. 1. human, animal, and tree
  2. 2. old
  3. 6. wise person
  4. 7. spirit
  5. 8. action
  6. 9. testing
  7. 10. study of the origin of words
  8. 11. sure
  9. 12. look into
  10. 14. modern
  11. 15. mind power