matter

4. The process where vapour changes to a liquid on cooling
6. Another word for melting
7. The temperature at which a liquid starts boiling
10. The process where solid changes into a liquid on heating at a particular
16. The substance that boils at 100 degree Celsius
17. This change is mostly irreversible and one or more new substances are formed
18. The temperature at which a solid melts to become a liquid
21. Water cycle is a _________ change. (Physical/ Chemical)
22. Synonym for freezing
25. Force of attraction between the particles of matter

1. The process where a solid, on heating, directly changes into gas without changing into liquid
2. The process in which on cooling there is a decrease in volume and increase in density of a substance
3. State that cannot be compressed
5. The intermixing of the substance by natural movement of their particles
8. The process in which on heating there is an increase in volume and decrease in density of a substance
9. Space between the particles of matter
11. The process where a liquid changes into vapour at any temperature below its boiling point
12. State with no definite shape and volume but is highly compressible
13. The process where a liquid changes into a vapour on heating at a particular
14. Anything that has mass and occupies space
15. The process where a gas, on cooling, directly changes to solid without changing into liquid
19. The random movement of particles in a fluid
20. This state shows maximum expansion
23. __________ sublimes at room temperature.
24. The process where a liquid converts into a solid on cooling