Science Vocabulary

2. change that occurs when a substance reacts and forms one or more new substances
3. the state of matter that has neither a definite shape nor a definite volume
5. the smallest particle of an element
12. a type of mixture in which the parts of the mixture are noticeably different from one another
13. a substance that is made from two or more simpler substances that are chemically combined in a specific ratio
14. the state of matter in that has a definite volume but not a definite shape
15. a homogeneous mixture that is opaque
16. a material’s ability to burn in the presence of oxygen
18. a heterogeneous mixture that separates into layers over time
19. a homogeneous mixture that is transparent and forms when substances dissolve

1. a change that occurs when some properties of a material change, but the substances in the material stay the same
2. the ability to produce a change in the composition of matter
4. a type of mixture in which the substances are evenly distributed and it looks like a single substance
6. a process that separates materials based on the size of their particles
7. a substance that cannot be broken down into simpler substances
8. the ability of a solid to be flattened without shattering
9. substance. matter that always has exactly the same composition; an element or compound
10. the state of matter that has a definite shape and definite volume
11. any characteristic of a material that can be observed or measured without changing the composition of the substance
17. a material’s ability to allow heat or electric charges to flow