Science Vocabulary

2. a process that separates materials based on the size of their particles
3. a homogeneous mixture that is transparent and forms when substances dissolve
4. a type of mixture in which the parts of the mixture are noticeably different from one another
5. a material’s ability to allow heat or electric charges to flow
7. a homogeneous mixture that is opaque
9. any characteristic of a material that can be observed or measured without changing the composition of the substance
11. substance. matter that always has exactly the same composition; an element or compound
13. change that occurs when a substance reacts and forms one or more new substances
15. the state of matter in that has a definite volume but not a definite shape
17. a material’s ability to burn in the presence of oxygen
18. the smallest particle of an element
19. a heterogeneous mixture that separates into layers over time
21. a reversible physical change that occurs when a substance changes from one state of matter to another

1. a type of mixture in which the substances are evenly distributed and it looks like a single substance
6. the ability of a solid to be flattened without shattering
8. a substance that is made from two or more simpler substances that are chemically combined in a specific ratio
10. the state of matter that has a definite shape and definite volume
12. a change that occurs when some properties of a material change, but the substances in the material stay the same
14. a substance that cannot be broken down into simpler substances
16. the state of matter that has neither a definite shape nor a definite volume
20. the ability to produce a change in the composition of matter