Chapter 2 Vocabulary

Created by Mr. Colgur with EclipseCrossword by Green Eclipse Software — www.eclipsecrossword.com

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Across 1. a mixture in which you can see different particles (2 words together) 5. a substance may change shape or form but it is still the same substance(2 words together) 6. a mixture which looks like a pure substance 8. a system in which materials can come in to or move out of easily 12. a pure substance made up of 2 or more kinds of atoms 13. more than one pure substance physically combined 16. the Law of _____ of Mass states that mass is neither lost nor gained in a chemical reaction in a closed system 19. a clear solution of nitrogen, oxygen and a few other gases 20. limewater turning cloudy is a positive test for (2 words together) 21. another name for a chemical change (2 words together) 22. a new substance formed by a chemical reaction 23. a physical change from a solid directly to a gas 24. a system in which no materials may move in or out

Down 2. a chemical reaction which happens to iron and makes it break down 3. made up of only one kind of atom 4. something you start with in a chemical reaction 5. a characteristic of something 6. a milky mixture 7. "carbon + oxygen --> carbon dioxide" is an example of a....(2 words together) 9. either an element or a compound (2 words together) 10. another name for the chemical reaction of burning 11. anything which has mass and takes up space 14. a change in which (a)new substance(s) is (are) formed. Also called a chemical reaction. (2 words together) 15. cobalt chloride paper turning from blue to white or pink is a positive test for ___ 17. always a reactant when something burns in air 18. a physical change from a liquid to a gas