Johnnos Crossword

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