4 States of Matter

3. a distinct and homogeneous state of a system with no visible boundary separating it into parts
4. a measure of how easily something will start on fire
7. comes before condensation in the water cycle
11. something about a substance that can observed without changing the substance
12. the rarest state of matter on earth
16. the temperature at which a liquid will bubble and vaporize
17. the state in which liquids give off vapor and bubble
18. a process that involves rearranging molecular structures
19. a material created by slow cooling of a phase
20. a transition of matter that causes the particle of a substance to flow freely

1. this happens to dry ice when it is left out
2. causes one substance to turn into one or more different substances
5. the temperature at which atoms slow to the point of only being able to vibrate
6. the transition of matter where a liquid turns into a gas
8. the state of matter that will fill its entire space
9. a phase change that slows down particles
10. a temperature at which particles begin to move freely
13. the state of matter where particles can flow freely
14. phase of matter where particles can only vibrate
15. happens to cold objects outside on hot days