1. Crystallization

2. A separation technique that results in the formation of pure solid particles

3. Pure Substance

4. Matter that has a uniform and unchanging composition

5. Chromatography

6. A technique that separates that components of a mixture on that basis of the tendency of each to travel or be drawn across the surface of another material

7. Reactivity

8. The ability of a substance to combine with or change into one of more other substances

9. List of Chemical Properties

10. Reactivity, corrosiveness, radioactivity

11. List of Chemical Changes

12. Fermenting sugar, toasting bread, rusting

13. List of Physical Changes

14. Flattening, cutting, tearing, melting, freezing

15. Description of Chemical Change

16. Forms green copper carbonate compound when in contact with moist air

17. Heterogeneous Mixture

18. A combination of two or more pure substances in which each pure substance maintains its individual chemical properties

19. Chemical Reaction

20. A process which involves one or more substances changing into new substances

21. Extensive Properties

22. Properties dependent on the amount of the substance present

23. Intensive Properties

24. Properties independent on the amount of the substance present

25. Compound

26. A pure substance that cannot be separated by physical means

27. Filtration

28. A technique that uses a porous barrier to separate a solid from a liquid

29. Distillation

30. A separation technique that is based on differences in the boiling points of the substance involved

31. List of Physical Properties

32. Gas

33. Indefinite volume or shape

34. Physical Change

35. Changes which alter a substance but not is composition

36. Heterogeneous Material

37. A mixture which is not uniform in composition

38. Homogeneous Material

39. A mixture which is uniform in composition

40. Physical Property

41. A characteristic which can be observed or measured without changing the substance’s composition

42. Solutions

43. Mixtures of solids, liquids or gases

44. Description of Chemical Change

45. Forms deep blue solution when in contact with ammonia

46. Compound

47. A combination of two or more elements that are combined chemically

48. Solid

49. Definite Shape and Volume

50. Liquid

51. Definite volume and indefinite shape

52. Endothermic Reaction

53. A reaction where energy is released

54. Exothermic Reaction

55. A reaction where energy is absorbed