SCIENCE CROSSWORD

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Across
  1. 5. Materials which exhibit zero resistance
  2. 8. Change of state from gas to solid
  3. 9. Object that resists changes to its state of motion
  4. 11. Laughing gas
  5. 14. An isotope of hydrogen
  6. 15. - An inactive state of animals in winter
  7. 16. - Element named after a continent
  8. 17. - Constellation representing a hunter
  9. 18. Process of extracting metals from their ores
  10. 20. A relationship between two organisms in which one benefits and the other derives neither benefit nor harm
Down
  1. 1. Tiny air sac at the end of bronchioles
  2. 2. Unit for measuring column ozone
  3. 3. Term used for twinkling of star
  4. 4. Universal solvent
  5. 6. - A substance that evaporates easily
  6. 7. FEYNMAN- Father of nanotechnology
  7. 10. - Study of relation between motion, forces and energy
  8. 12. - Smallest bone in Human Body
  9. 13. - Caused due to Iodine deficiency
  10. 19. - Tailbone in Human