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

14 Questions | Total Attempts: 1501  Settings  .

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• 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