Physical Properties

3. A type of mixture that looks the same throughout.
7. A pure substance that cannot be broken down into simpler substances.
10. A pure substance that is made from two or more simpler substances and can be broken down into those simpler substances.
11. The temperature at which a substance changes from a liquid to a gas (2 words).
12. Some physical changes are _______ and some are not.
13. Any characteristic of a material that can be observed or measured without changing the composition of the substance. (2 words)
16. Matter that always has the exact same composition is a pure ________________.
17. The temperature at which a substance changes from a solid to a liquid (2 words).
18. In an element ___________, the first letter is capitalized and if there is a second letter, it is lowercase.
19. The tendency of a liquid to resist flowing.

1. A type of matter in which the composition is not fixed.
2. A type of mixture in which the parts are noticeably different from one another.
4. The ability of a solid to be hammered without shattering.
5. ______ of two materials can be compared by seeing which one scratches the other.
6. A process that separates materials based on particle size.
8. A change that occurs when some of the properties change, but the composition of the substance remains the same.
9. A materials ability to allow heat or electricity to flow.
14. A process that separates a mixture based upon boiling points.
15. How much mass is in a given volume.
17. Anything that has mass and takes up space.