Vocabulary

4. A state of matter that has no definite shape but a definite volume
6. The process that occurs when vaporization takes place only on the surface of a liquid
7. A change in which one or more substances combine or break apart to form new substances
8. The ration of the mass of a substance to its volumne
10. The temperature at which a substance changes from a solid to a liguid
11. The principle that the total amount of matter is not created nor destroyed during any chemical or physical change
15. The amount of space that matter occupies
16. The change from a liquid to the solid state of matter
17. A mesure of how much matter is in an object

1. The temperture at which a substance changes from a liquid to a gas
2. A change in a substance that doesn't change its identity
3. The change from the gaseous to the liquid state of matter
5. A state of matter with no definite shape or volume
9. A characteristic of a pure substance that can be observed without changing into another substance
12. A characteristic of a pure substance that describes its ability to change into a different substance
13. The change in state from a solid directly to a gas without passing through the liquid state
14. A state of matter that has a definite shape and volume