4.1-4.3 Crossword

4. the ability to cause changes in matter
8. matter that has a fixed volume and a fixed shape
10. the process in which a gas changes directly to a solid without going through the liquid state
12. the theory that all matter consists of constantly moving particles
16. if the volume of a gas is held constant, increasing the temperature of the gas increases its pressure
17. a state of matter that resembles a gas but has certain properties that a gas does not have
20. the energy of moving matter

1. the process in which a solid changes directly to a gas
2. the average kinetic energy of the particles of matter
3. the process in which a gas changes to a liquid
5. matter that has neither a fixed volume nor a fixed shape
6. the process in which a liquid changes to a gas without boiling
7. the amount of force pushing against a given area
9. if the pressure of a gas is held constant, increasing the temperature of the gas increases its volume
11. solid, liquid, gas, and plasma
13. the process in which a solid changes to a liquid
14. the process in which a liquid boils and changes to a gas
15. if the temperature of a gas is held constant, increasing the volume of the gas decreases its pressure
18. matter that has a fixed volume but not a fixed shape
19. the process in which a liquid changes to a solid