physics crossword

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Across
  1. 3. force of attraction between molecules of the same substance
  2. 4. outward bending of rays after suffering refraction
  3. 10. an instrument used to measure the temperature of an object
  4. 13. heat lost is equal to heat gained
  5. 16. the force of attraction between the molecules of two different substances
  6. 17. a lens which always forms a diminished,erect and virtual image
  7. 18. coolant used in a car radiator
  8. 19. a form of energy which causes the sensation of sight in our eyes
  9. 20. a very good insulator used for making heating elements for electric iron
Down
  1. 1. shortsightedness
  2. 2. the degree of hotness or coldness of a body
  3. 5. converging lens
  4. 6. the quantity of heat required to raise the temperature of one gram of water by one degree celsius
  5. 7. non-conductors of heat
  6. 8. a liquid which produces cooling by evaporation
  7. 9. ___________space the vacant space between the molecules in any sample of matter
  8. 11. a form of matter in which the force of cohesion between the constituent particles is maximum
  9. 12. SI unit of temperature
  10. 14. the colour which deviates the most when a ray of light travels through a glass prism
  11. 15. thermometric liquid in a laboratory thermometer