Chem 100

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Across
  1. 5. procedure that tests hypothesis
  2. 8. qualities or characteristic observations
  3. 9. unifying principle
  4. 10. 10^-9
  5. 11. a way to study science, learn new things, and understand the world
  6. 12. 10^-12
  7. 15. a;# between 1 and 10
Down
  1. 1. n, integer
  2. 2. number of countries that don't use the SI system
  3. 3. systematic recording of qualitative or quantitative data
  4. 4. explanation for observation
  5. 6. change magnitude of measurement
  6. 7. observations using numbers
  7. 11. International System of Units
  8. 13. m, g, s, etc.
  9. 14. 10^9