Quiz: Can You Answer The Questions From Density And Buoyancy?

14 Questions | Total Attempts: 1501

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Quiz: Can You Answer The Questions From Density And Buoyancy?

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Questions and Answers
  • 1. 
    Based on the diagram below, rank the three objects from least dense to most dense.
    • A. 

      Object X, object Z, object Y.

    • B. 

      Object Z, object Y, object X.

    • C. 

      Object X, object Y, object Z.

    • D. 

      Object Y, object Z, object X.

  • 2. 
    Fill in the blank: An object is most likely to sink in water if _________________.
    • A. 

      It has a large mass

    • B. 

      It has a large volume

    • C. 

      It has a high density

    • D. 

      It has a low density

  • 3. 
    A ball has a mass of 33.6 grams and a volume of 14.0 cubic centimeters (cc). What is its density?
    • A. 

      470.4 g/cc

    • B. 

      0.42 g/cc

    • C. 

      2.4 g/cc

    • D. 

      19.6 g/cc

  • 4. 
    Three balls were measured and placed in a liquid. Based on the following data, what could be the density of the liquid? 
    • A. 

      0.8 g/mL

    • B. 

      0.9 g/mL

    • C. 

      1.0 g/mL

    • D. 

      1.1 g/mL

  • 5. 
    • A. 

      0.61 g/cc

    • B. 

      0.88 g/cc

    • C. 

      1.23 g/cc

    • D. 

      0.23 g/cc

  • 6. 
    An object with a density of 0.85 g/cm3 is dropped into each of the two beakers shown below. What will happen to the object in each case?
    • A. 

      It will float in both beakers.

    • B. 

      It will sink in Beaker 1 and float in Beaker 2.

    • C. 

      It will float in Beaker 1 and sink in Beaker 2.

    • D. 

      It will sink in both beakers.

  • 7. 
    Objects 1 and 2 float as shown in the beaker below. The density of the liquid in the beaker is 3.2 g/mL. Which of the densities given below are possible values for the densities of the two objects?
    • A. 

      Density of object 1 = 2.5 g/cm3 Density of object 2 = 3.8 g/cm3

    • B. 

      Density of object 1 = 1.6 g/cm3 Density of object 2 = 2.9 g/cm3

    • C. 

      Density of object 1 = 3.0 g/cm3 Density of object 2 = 1.8 g/cm3

    • D. 

      Density of object 1 = 4.4 g/cm3 Density of object 2 = 4.0 g/cm3

  • 8. 
    Identical objects are placed in Beaker A and in Beaker B. The objects float as shown in the diagrams below. What can you conclude about the liquid in each of the beakers?
    • A. 

      The liquid in Beaker B has a greater density than the liquid in Beaker A.

    • B. 

      The liquid in Beaker A has a greater density than the objects. The liquid in Beaker B is less dense than the objects.

    • C. 

      The liquid in Beaker A has a greater density than the liquid in Beaker B.

    • D. 

      Both liquids are less dense than the objects.

  • 9. 
    Objects 1 and 2 are placed in the beaker below. The density of the liquid in the beaker is 2.0 g/mL. Which of the densities given below are possible values for the densities of the two objects?
    • A. 

      Density of object 1 = 1.5 g/cm3 Density of object 2 = 0.8 g/cm3

    • B. 

      Density of object 1 = 3.8 g/cm3 Density of object 2 = 3.0 g/cm3

    • C. 

      Density of object 1 = 3.0 g/cm3 Density of object 2 = 0.8 g/cm3

    • D. 

      Density of object 1 = 0.8 g/cm3 Density of object 2 = 3.0 g/cm3

  • 10. 
    An object with unknown density is tested in two beakers. Beaker 1 contains liquid with a density of 1.5 g/mL, and Beaker 2 contains liquid with a density of 2.0 g/mL. The object sinks in both beakers. Which of the following statements about the object's density is true?
    • A. 

      The object's density is greater than 2.0 g/cm3.

    • B. 

      The object's density is less than 1.5 g/cm3.

    • C. 

      The object's density is exactly 2.0 g/cm3.

    • D. 

      The object's density is greater than 1.5 g/cm3 and less than 2.0 g/cm3.

  • 11. 
    A rock has a mass of 60g in air.  When it is dipped in water, the mass shown is 40g.  What is the mass of the water that is being displaced by the rock?
    • A. 

      60g

    • B. 

      40g

    • C. 

      20g

    • D. 

      100g

  • 12. 
    A rock has a weight of 4N in the air.  When it is dipped in water, it has a weight of 1N.  What is the buoyant force of the water?
    • A. 

      3N

    • B. 

      4N

    • C. 

      1N

    • D. 

      7N

  • 13. 
    A rock has a mass of 120g in the air, but a mass of only 80g in the water.  How much did the water level go up in the container?
    • A. 

      120mL

    • B. 

      40mL

    • C. 

      80mL

    • D. 

      200mL

  • 14. 
    Which of the following is TRUE?
    • A. 

      A floating object will displace an amount of water equal to the object's volume.

    • B. 

      A sinking object will displace an amount of water equal to the object's mass.

    • C. 

      A floating object displace an amount of water equal to the object's mass.

    • D. 

      A sinking object will displace an amount of water equal to the object's volume.

    • E. 

      A and C are correct.

    • F. 

      C and D are correct