Changes in State

2. the most common state of matter in the universe, but least common on Earth
4. gaseous water (2 words)
6. The state of matter of a material depends on this.
11. energy needed to change a material from liquid to gas (3 words)
13. change of a gas directly to a solid, like frost on a window
14. When ice melts, the particles of solid water _____ energy.
15. state of matter with definite volume but no definite shape
17. the sum of the kinetic energies of all the particles in a sample of matter (2 words)
18. determined by the motion and spacing of particles (3 words)

1. energy needed to change a material from solid to liquid (3 words)
3. change of a solid directly to a gas, like what dry ice does
5. change from a liquid to a gas at the boiling point
7. Gases have no definite volume or _____.
8. occurs when a gas cools and changes to a liquid
9. the movement of thermal energy from an area of higher temperature to an area of lower temperature
10. Temperature is a measure of the _____ kinetic energy of a material's particles.
12. State of matter with definite volume and shape
16. change of a liquid to a gas below the boiling point
19. to change from solid to liquid