1. “Reading Measurement Scales”

2. MNI = marked number interval AMI = adjacent number interval

3. 1. 3810 MNI = AMI = 1.0 units 0.5 units

4. 2. 20 50 MNI = AMI = 10.0 units 1.0 units

5. 3. 3040 MNI = AMI = 10.0 units 2.0 units

6. 4. 40 6090100 MNI = ANI = 10.0 units 5.0 units

7. 5. 50200 MNI = ANI = 50.0 units 10.0 units

8. “Volumes and Densities”

9. A 1. Volume = 2. Density = 2 g/cm 3 160 cm 3

10. B 3. Volume = 4. Density = 27 cm 3 1.75 g/cm 3

11. C 5. Volume = 6. Density = 5 832 m 3 150 kg/m 3

12. D 7. Volume = 8. Density = 11.25 cm 3 1.64 g/cm 3

13. E 9. Volume = 10. Density = 144 m 3 1 900 kg/m 3

14. F 11. Volume = 12. Density = 40 cm 3 0.75 g/cm 3

15. G 13. Volume = 14. Density = 72 cm 3 0.9 g/cm 3

16. H

17. H 15. Volume = 16. Density = 25 cm 3 8.2 g/cm 3 Initial Final

18. I

19. I 17. Volume = 18. Density = 50 cm 3 2.85 g/cm 3 Initial Final

20. 19. Which if any of the objects A through G would float if placed in water?

21. C = 150 kg/m 3 F = 0.75 g/cm 3 G = 0.9 g/cm 3

22. “Using Laboratory Measuring Devices”

24. 6.5 grams

25. 8.3 grams

26. 5.8 grams

27. 1.7 grams

29. 7 grams 40 grams

30. 0.52 grams 40g +7g +0.52g = 47.52 g

31. 0.52 grams 47.52 g

33. 100 grams 20 grams 9 grams

34. 129.07 grams 0.07 grams

36. 12.5 cm

37. 11.3 cm

38. 13.25 cm

39. 13.95 cm

40. 10.3 cm

41. 12.0 cm

42. 9.67 cm

43. 12.94 cm

44. 14.31 cm

45. 11.7 cm

47. A 67.3 mL

48. B 32.4 mL (0.5 mL)

49. C 81.1 mL

50. D 47.7 mL (0.5 mL)

51. E 2.35 mL (0.1 mL)

52. F 64.0 mL

53. G 30.7 mL (0.5 mL)

54. H 84.5 mL

55. I 49.7 mL (0.5 mL)

56. J 3.1 mL (0.2 mL)

58. A -2.4 °C

59. B 37.95 °C

60. C 8.2 °C

61. D 86.6 °C

62. E -10.2 °C

63. F 34.8 °C