Johnnos Crossword

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Across
  1. 2. Being safe
  2. 5. Something that is changeable, not constant
  3. 9. A supposition made as a basis for reasoning
  4. 12. Instrument for measuring temperature
  5. 14. Taking notice
  6. 15. Something implied
  7. 16. Marked or gauged
  8. 17. Curved surface of liquid
  9. 18. A large quantity, heap
  10. 19. Necessary tools
Down
  1. 1. Science of properties and interaction of matter and energy
  2. 3. To examine
  3. 4. Space occupied by gas or liquid
  4. 6. Place used for scientific experiments and research
  5. 7. Finding a size or quantity
  6. 8. Study of living organisms
  7. 10. Science of earth's crust
  8. 11. Degree of heat or cold
  9. 13. Ending
  10. 16. Study of substances and their reactions