1. Chemistry

2. Seating Chart

3. Syllabus

4. Isolate Terms AB = CDE X Y

5. Scientific Method

6. A systematic method for performing research

7. Scientific Method Observing Hypothesizing Experimenting Analyzing

8. Hypothesis

9. An educated guess

10. Variables

11. Anything that can be changed in an experiment

12. Independent Variable

13. The variable that is changed by the person doing the experiment

14. Dependent Variable

15. A variable that changes due the effects of the independent variable being changed

16. Scientific Law

17. Any fact that has been proven beyond any doubt

18. Scientific Theory

19. An idea that is supported by much scientific data and is accepted by the scientific community as correct, but cannot be proven

20. Problem Solving

21. What do you have? Identify what’s given List the variables

22. What do you want? Identify what’s being asked for

23. How do you get it? Identify a formula or algorithms that can be used to solve the problem

24. Chemistry The study of matter

25. Matter Anything that: takes up space has mass has inertia

26. Mass The measure of matter in an object

27. Types of Matter Pure: one kind of substance Mixture: 2 or more substances

28. Substance A specific type of matter

29. Pure Substances Elements Compounds

30. Element Any pure substance that contains only one kind of atom

31. Compound A pure substance made up of 2 or more elements chemically combined

32. Mixture A Physical blend of substances

33. Mixture Each part retains its properties

34. Mixtures Heterogeneous Homogenous

35. Heterogeneous Mixture Made up of multiple phases Non-uniform

36. Phase Any physically separate part of a substance

37. Interface Where two phases come together

38. Homogeneous Mixture Made up of only one phase Uniform throughout

39. Solution Homogeneous mixture

40. Solute Any of the lesser portions of a solution What has been dissolved

41. Solvent The larger portion of a solution What is doing the dissolving

42. Separating Mixtures Filtration Distillation Precipitation Chromatography

43. Filtration Separation by size Passing through pores

44. Distillation Separation by differences in B.P. Boil & collect

45. Precipitation Separation by differences in solubility Allow solutions to ppt

46. Chromatography Separation through charge or polarity differences Separating ink on paper

47. List and describe all types of pure substances

48. List and describe all types of mixtures

49. Classify each of the following as: Pure: element or compound Mixture: hetero. or homo Air, water, mud, the sea, aluminum, orange juice, brass, gold

50. Matter Work problems 1 - 4 on page 23