matter

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Across
  1. 7. The process in which on heating there is an increase in volume and decrease in density of a substance
  2. 12. The process in which on cooling there is a decrease in volume and increase in density of a substance
  3. 14. State that cannot be compressed
  4. 17. Force of attraction between the particles of matter
  5. 20. The temperature at which a solid melts to become a liquid
  6. 21. Water cycle is a _________ change. (Physical/ Chemical)
  7. 22. The random movement of particles in a fluid
  8. 23. The process where a gas, on cooling, directly changes to solid without
  9. 24. This change is mostly irreversible and one or more new substances are formed
  10. 25. The process where solid changes into a liquid on heating at a particular
  11. 26. The process where a liquid changes into a vapour on heating at a particular
Down
  1. 1. The process where a liquid converts into a solid on cooling
  2. 2. The process where vapour changes to a liquid on cooling
  3. 3. State with no definite shape and volume but is highly compressible
  4. 4. Space between the particles of matter
  5. 5. The process where a liquid changes into vapour at any temperature below its boiling point
  6. 6. The process where a solid, on heating, directly changes into gas without changing into liquid
  7. 8. The temperature at which a liquid starts boiling
  8. 9. Another word for melting
  9. 10. Anything that has mass and occupies space
  10. 11. This state shows maximum expansion
  11. 13. The substance that boils at 100 degree Celsius
  12. 15. The intermixing of the substance by natural movement of their particles
  13. 16. Synonym for freezing
  14. 18. __________ sublimes at room temperature.
  15. 19. into liquid