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# CST Review_Density

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### CST Review_Density

1. 1. CST Review Density
2. 2. CST Review Density
3. 3. Page 74
4. 4. CST Review Questions
5. 5. How is density calculated? IV. Density can be calculated using the following formula: Density = Mass Volume Density = g mL
6. 6. Mass Volume What is speed? The density equation can be rewritten to solve different types of density problems. Density =
7. 7. Mass Density Formula You can rewrite the Density Formula Density Volume
8. 8. CST Review Questions
9. 9. CST Review Questions
10. 10. Mass Volume What is speed? The density equation can be rewritten to solve different types of density problems. Density =
11. 11. Mass Density Formula You can rewrite the Density Formula Density Volume
12. 12. 5 CST Review Questions
13. 13. 5 CST Review Questions
14. 14. Mass Density Formula You can rewrite the Density Formula Density Volume
15. 15. Mass Density Formula You can rewrite the Density Formula Density Volume
16. 16. 5 CST Review Questions Mass = Density X Volume
17. 17. 5 CST Review Questions Mass = Density X Volume Brick MassA = ? Brick MassB = ? Air MassC = ? Air MassD = ?
18. 18. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = ? Air MassC = ? Air MassD = ?
19. 19. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = 2000 X 4 = 8000 Air MassC = ? Air MassD = ?
20. 20. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = 2000 X 4 = 8000 Air MassC = 1 X 6000 = 6000 Air MassD = ?
21. 21. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = 2000 X 4 = 8000 Air MassC = 1 X 6000 = 6000 Air MassD = 1 X 10000 = 10000
22. 22. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = 2000 X 4 = 8000 Air MassC = 1 X 6000 = 6000 Air MassD = 1 X 10000 = 10000
23. 23. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = 2000 X 4 = 8000 Air MassC = 1 X 6000 = 6000 Air MassD = 1 X 10000 = 10000
24. 24. CST Review Questions 31
25. 25. Why is density important? V. Density determines what things will sink and float in a given liquid.
26. 26. CST Review Questions 31
27. 27. CST Review Questions 31
28. 28. 19 CST Review Questions
29. 29. Why is density important? A. If an object has LESS density than the liquid it will FLOAT. The ball has LESS density than water. density of ball = less than water
30. 30. Why is density important? B. If an object has MORE density than the liquid it will SINK. The ball has MORE density than water. density of ball = more than water
31. 31. CST Review Questions 19
32. 32. CST Review Questions Less 19
33. 33. CST Review Questions Less Less 19
34. 34. CST Review Questions Less Less Less 19
35. 35. CST Review Questions Less Less Less More 19
36. 36. CST Review Questions Less Less Less More 19
37. 37. 18 CST Review Questions
38. 38. Mass Density Formula You can rewrite the Density Formula Density Volume
39. 39. Mass Density Formula You can rewrite the Density Formula Density Volume
40. 40. CST Review Questions 18 Density = Mass Volume 1. Density = 89g = 8.9 g/mL 10mL
41. 41. CST Review Questions 18 1. Density = 89g = 8.9 g/mL 10mL 2. Density = 26g = 2.6 g/mL 10mL 3. Density = 24g = 0.24 g/mL 100mL 4. Density = 160g = 1.60 g/mL 100mL
42. 42. CST Review Questions 18 1. Density = 89g = 8.9 g/mL 10mL 2. Density = 26g = 2.6 g/mL 10mL 3. Density = 24g = 0.24 g/mL 100mL 4. Density = 160g = 1.60 g/mL 100mL Less than 1.0 g/mL
43. 43. CST Review Questions 18
44. 44. Density Review
45. 45. Think-Group-Share An object has a mass of 50g and a volume of 5 mL. What is its density?
46. 46. Think-Group-Share An object has a mass of 50g and a volume of 5 mL. What is its density?  10 g/mL Density = Mass/Volume = 50g/5mL = 10g/mL M D V M D V
47. 47. Think-Group-Share An object will sink in water because its density is ____ the density of the water.  A. higher than  B. lower than  C. the same as
48. 48. Think-Group-Share An object will sink in water because its density is ____ the density of the water.  A. higher than  B. lower than  C. the same as
49. 49. Why is density important? C. If an object has MORE density than the liquid it will SINK. The ball has MORE density than water. density of ball = more than water
50. 50. Think-Group-Share An object will float in water because its density is ____ the density of the water.  A. higher than  B. lower than  C. the same as
51. 51. Think-Group-Share An object will float in water because its density is ____ the density of the water.  A. higher than  B. lower than  C. the same as
52. 52. What makes things float and sink? A. If an object has LESS density than the liquid it will FLOAT. The ball has LESS density than water. density of ball = less than water
53. 53. Think-Group-Share What is density?  A. the amount of matter in an object  B. the mass per unit volume  C. the amount of space an object takes up
54. 54. Think-Group-Share What is density?  the amount of matter in an object  B. the mass per unit volume  the amount of space an object takes up
55. 55. What is density? III. Density is an object’s mass per unit volume. feathers rocks
56. 56. Think-Group-Share A boy pours 10 mL of water into a graduated cylinder and drops a marble into it. The water rises to 20mL. What is the volume of the marble?
57. 57. Think-Group-Share A boy pours 10 mL of water into a graduated cylinder and drops a marble into it. The water rises to 20mL. What is the volume of the marble?  10 mL Volume = 20mL - 10mL = 10mL
58. 58. Measuring the Volume of an Irregular Solid Volume of object + water _____ -Volume of water______ - _____ Volume of object _____ mL mL10 20 10 ml 20 ml 10 ml Volume = _________10 ml
59. 59. Think-Group-Share What is the volume of a rectangular box that has a length = 6 cm, width= 2 cm, height = 3 cm?
60. 60. Think-Group-Share What is the volume of a rectangular box that has a length = 6 cm, width= 2 cm, height = 3 cm?  36 cm3 Volume = LxWxH = 6cm x 2cm x 3cm = 36 cm3
61. 61. Volumes are calculated using a formula. Volume (box) = length X width X height How is volume measured? Volume (ball) = 4/3 X pi X radius3
62. 62. Think-Group-Share A bottle holds 100 mL. It has a density of 3 g/mL. What is its mass?
63. 63. Think-Group-Share A bottle holds 100 mL. It has a density of 3 g/mL. What is its mass?  300 g mass = volume x density = 100 mL x 3 g/mL = 300 g M D V M D V
64. 64. Think-Group-Share A box has a mass of 60g and a density of 10 g/mL What is its volume?
65. 65. Think-Group-Share A box has a mass of 60g and a density of 10 g/mL What is its volume?  6 mL volume = mass/density = 60g/10g/mL = 6 mL M D V M D V
66. 66. Think-Group-Share Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it float in water or alcohol?
67. 67. Think-Group-Share Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it float in water or alcohol?  It floats in water.
68. 68. Class Work Volume and Density Practice Problems Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it float in water or alcohol? Less Density Than Water 1.0 g/mL 0.9 g/mL
69. 69. Think-Group-Share Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it sink in water or alcohol?
70. 70. Think-Group-Share Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it sink in water or alcohol?  It sinks in alcohol.
71. 71. Class Work Volume and Density Practice Problems Water has a density of 1.0 g/mL. Alcohol has a density of 0.81 g/mL. A ball has a density of 0.9g/mL. Will it sink in water or alcohol? More Density Than Alcohol 0.81 g/mL 0.9 g/mL
72. 72. Think-Group-Share A metal box has a mass of 90 grams and a volume of 10 mL. What is its density?
73. 73. Think-Group-Share A metal box has a mass of 90 grams and a volume of 10 mL. What is its density?  Density = Mass/Volume = 9 g/mL M D V M D V
74. 74. Think-Group-Share The density of nickel is 8.99 g/mL. The density of zinc is 7.1 g/mL. Is the metal box made of nickel or zinc?  9 g/mL
75. 75. Think-Group-Share The density of nickel is 8.99 g/mL. The density of zinc is 7.1 g/mL. Is the metal box made of nickel or zinc?  It is made of nickel 9 g/mL = density
76. 76. Think-Group-Share What is the volume of the box?  It sinks in alcohol. 10 cm 5 cm 2 cm Mass = 300 grams
77. 77. Think-Group-Share What is the volume of the box?  100 cm3 V = LxWxH = 10 cm x 5 cm x 2 cm = 100 cm3 10 cm 5 cm 2 cm Mass = 300 grams
78. 78. Think-Group-Share What is the density of the box? 10 cm 5 cm 2 cm Mass = 300 grams
79. 79. Think-Group-Share What is the density of the box?  3 g/cm3 D = Mass/Volume = 300g/100cm3 = 3 g/cm3 10 cm 5 cm 2 cm Mass = 300 grams
80. 80. Think-Group-Share The density of water is 1.0 g/mL. Will the box float or sink in water? 10 cm 5 cm 2 cm Mass = 300 grams
81. 81. Think-Group-Share The density of water is 1.0 g/mL. Will the box float or sink in water?  It will sink in water. 3 g/cm3 is greater than 1 g/mL 10 cm 5 cm 2 cm Mass = 300 grams
82. 82. Think-Group-Share What liquid is A? A B C D E
83. 83. Think-Group-Share What liquid is A?  vegetable oil A B C D E
84. 84. Think-Group-Share What liquid is B? A B C D E
85. 85. Think-Group-Share What liquid is B?  water A B C D E
86. 86. Think-Group-Share What liquid is C? A B C D E
87. 87. Think-Group-Share What liquid is C?  Dawn A B C D E
88. 88. Think-Group-Share What liquid is D? A B C D E
89. 89. Think-Group-Share What liquid is D?  Karo Syrup A B C D E
90. 90. Think-Group-Share What liquid is E? A B C D E
91. 91. Think-Group-Share What liquid is E?  Honey A B C D E