CST Review_Density

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  • 1. CST Review Density
  • 2. CST Review Density
  • 3. Page 74
  • 4. CST Review Questions
  • 5. How is density calculated? IV. Density can be calculated using the following formula: Density = Mass Volume Density = g mL
  • 6. Mass Volume What is speed? The density equation can be rewritten to solve different types of density problems. Density =
  • 7. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 8. CST Review Questions
  • 9. CST Review Questions
  • 10. Mass Volume What is speed? The density equation can be rewritten to solve different types of density problems. Density =
  • 11. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 12. 5 CST Review Questions
  • 13. 5 CST Review Questions
  • 14. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 15. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 16. 5 CST Review Questions Mass = Density X Volume
  • 17. 5 CST Review Questions Mass = Density X Volume Brick MassA = ? Brick MassB = ? Air MassC = ? Air MassD = ?
  • 18. 5 CST Review Questions Mass = Density X Volume Brick MassA = 2000 X 2 = 4000 Brick MassB = ? Air MassC = ? Air MassD = ?
  • 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. 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. 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. 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. 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. CST Review Questions 31
  • 25. Why is density important? V. Density determines what things will sink and float in a given liquid.
  • 26. CST Review Questions 31
  • 27. CST Review Questions 31
  • 28. 19 CST Review Questions
  • 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. 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. CST Review Questions 19
  • 32. CST Review Questions Less 19
  • 33. CST Review Questions Less Less 19
  • 34. CST Review Questions Less Less Less 19
  • 35. CST Review Questions Less Less Less More 19
  • 36. CST Review Questions Less Less Less More 19
  • 37. 18 CST Review Questions
  • 38. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 39. Mass Density Formula You can rewrite the Density Formula Density Volume
  • 40. CST Review Questions 18 Density = Mass Volume 1. Density = 89g = 8.9 g/mL 10mL
  • 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. 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. CST Review Questions 18
  • 44. Density Review
  • 45. Think-Group-Share An object has a mass of 50g and a volume of 5 mL. What is its density?
  • 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. 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. 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. 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. 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. 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. 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. 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. 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. What is density? III. Density is an object’s mass per unit volume. feathers rocks
  • 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. 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. 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. Think-Group-Share What is the volume of a rectangular box that has a length = 6 cm, width= 2 cm, height = 3 cm?
  • 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. 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. Think-Group-Share A bottle holds 100 mL. It has a density of 3 g/mL. What is its mass?
  • 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. Think-Group-Share A box has a mass of 60g and a density of 10 g/mL What is its volume?
  • 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. 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. 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. 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. 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. 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. 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. Think-Group-Share A metal box has a mass of 90 grams and a volume of 10 mL. What is its density?
  • 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. 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. 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. Think-Group-Share What is the volume of the box?  It sinks in alcohol. 10 cm 5 cm 2 cm Mass = 300 grams
  • 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. Think-Group-Share What is the density of the box? 10 cm 5 cm 2 cm Mass = 300 grams
  • 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. 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. 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. Think-Group-Share What liquid is A? A B C D E
  • 83. Think-Group-Share What liquid is A?  vegetable oil A B C D E
  • 84. Think-Group-Share What liquid is B? A B C D E
  • 85. Think-Group-Share What liquid is B?  water A B C D E
  • 86. Think-Group-Share What liquid is C? A B C D E
  • 87. Think-Group-Share What liquid is C?  Dawn A B C D E
  • 88. Think-Group-Share What liquid is D? A B C D E
  • 89. Think-Group-Share What liquid is D?  Karo Syrup A B C D E
  • 90. Think-Group-Share What liquid is E? A B C D E
  • 91. Think-Group-Share What liquid is E?  Honey A B C D E