Earth Science crossword puzzle

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Across
  1. 4. Investigates things that happened in the unobservable past
  2. 6. Investigates events and facts that can be observed in the here and now
  3. 8. Descriptive observation
  4. 9. How someone views the world
  5. 11. Separates science from all other human activities
  6. 12. System of rules
  7. 14. data the is measured
  8. 16. A figure
  9. 17. Something known or assumed to be true
Down
  1. 1. Having dominion
  2. 2. Something assumed beforehand
  3. 3. Assumes that the world operates in a reliable way
  4. 5. Systematically organized body of knowledge
  5. 7. An idea
  6. 10. For anything that is an observable result of a process
  7. 13. The branch of science dealing with the physical constitution of the earth and its atmosphere.
  8. 15. System of ideas