matter

7. The process in which on heating there is an increase in volume and decrease in density of a substance
12. The process in which on cooling there is a decrease in volume and increase in density of a substance
14. State that cannot be compressed
17. Force of attraction between the particles of matter
20. The temperature at which a solid melts to become a liquid
21. Water cycle is a _________ change. (Physical/ Chemical)
22. The random movement of particles in a fluid
23. The process where a gas, on cooling, directly changes to solid without
24. This change is mostly irreversible and one or more new substances are formed
25. The process where solid changes into a liquid on heating at a particular
26. The process where a liquid changes into a vapour on heating at a particular

1. The process where a liquid converts into a solid on cooling
2. The process where vapour changes to a liquid on cooling
3. State with no definite shape and volume but is highly compressible
4. Space between the particles of matter
5. The process where a liquid changes into vapour at any temperature below its boiling point
6. The process where a solid, on heating, directly changes into gas without changing into liquid
8. The temperature at which a liquid starts boiling
9. Another word for melting
10. Anything that has mass and occupies space
11. This state shows maximum expansion
13. The substance that boils at 100 degree Celsius
15. The intermixing of the substance by natural movement of their particles
16. Synonym for freezing
18. __________ sublimes at room temperature.
19. into liquid