1. Quiz Review Jeopardy Game Science

2. Physical/ Chemical Changes Reactions Words that begin with the letter “ i ” or “ c ” Acids/ Bases Applications/ Labs 100 200 300 400 500 Final Jeopardy

3. Changes to the shape and size of a substance or changes in the state of matter are examples of a…

4. Physical Change 100

5. Features of matter that can be observed (color) and measured (volume) are a substance ’ s ___________ properties.

6. physical 200

7. In a chemical change, a ____ ____________ is formed and the properties are different than the original substance.

8. New substance 300

9. Name at least 3 examples of evidence that a chemical change has occurred.

10. Temperature change Light/ Sound Produced Unexpected Color Change Odor Change Gas Produced Precipitate Formed 400

11. The combustibility of a substance describes its ___________ _______________.

12. Chemical Properties 500

13. A reaction that absorbs energy in the form of heat.

14. Endothermic Reaction 100

15. An airplane burning fuel to keep the plane moving fast enough to fly is an example of an exothermic reaction because it ___________ energy in the form of heat.

16. Releases 200

17. Name at least 2 factors that affect the rate of a reaction.

18. Catalyst Inhibitor Temperature Concentration Surface Area 300

19. 2H 2 O 2 2H 2 O + O 2 is an example of what kind of reaction?

20. 400 Decomposition (b/c the compound we began with broke down into simpler products)

21. FeS + 2HCl FeCl 2 +H 2 S is an example of what kind of reaction?

22. Double Replacement (b/c the elements in one compound “trade places” with elements in another compound) 500

23. The indicator used in the testing acids to neutralization lab which turned purple when neutral was called…

24. Congo Red 100

25. We add this to a product (as we did in our last lab) when we want to measure the acidity/ basicity of a substance.

26. Indicator 200

27. We add this to a reaction when we want to speed up the reaction time.

28. Catalyst 300

29. Many household _________, like laundry detergent contain OH- and are considered to be basic.

30. Cleaners 400

31. Bases contain a OH-____ and Acids contain an H+ _______.

32. Ion 500

33. This is a substance that tastes sour and turns blue litmus paper red.

34. Acid 100

35. This type of product will measure less than 7 on the pH scale.

36. Acid/ Acidic 200

37. A substance with a pH of 7 is considered to be…

38. Neutral 300

39. A lemon (pH2) is _____times more _________ than a tomato (pH4).

40. 100, Acidic 400

41. Make a statement about the relationship of HCl (pH 0) and vinegar (pH3). Make sure you include a phrase stating “is ___times more _______”

42. HCl is 1000 times more acidic than vinegar OR Vinegar is 1000 times more basic than HCl. 500

43. How does the indicator Phenophthalein look when a substance is neutral?

44. Clear 100

45. The name for the point when a substance is neutralized is called…

46. End Point 200

47. The process of adding acid to a base until the base changes color is called…

48. Titration 300

49. In the flame test lab, the splint reigniting showed the presence of….

50. Oxygen or O 2 400

51. Antacids are bases taken by people for what purpose?

52. To neutralize acid/ help with a stomach ailment 500

53. Click on the “ 2 ” to progress to the question.

54. The final category is: Explain the difference..

55. Explain how the concentration of an acid is different from its strength.

56. An acid ’ s strength is the same no matter what the concentration. For example 1 M HCl and 3 M HCl are both the same strength (same amount of H+ ions produced), but one 1M is more dilute than 3M It ’ s concentration changes with the amount of water added to the substance.