matter

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