Know Your Subjects

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Across
  1. 3. Study of knowledge, existence, and reason
  2. 6. Study of wealth, trade, and resources
  3. 8. Study of celestial bodies and space
  4. 9. Study of the mind and behavior
Down
  1. 1. Study of Earth and rocks
  2. 2. Science of substances and reactions
  3. 4. Study of society and human interaction
  4. 5. Study of living organisms
  5. 7. Study of matter, motion, and energy
  6. 8. Study of body structure