Density Answers

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This chart shows the volumes of four different objects.If the objects all have the same mass, which object is the most dense?

Question illustration
A
Object 1
B
Object 2
C
Object 3
D
Object 4
2
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This table shows the mass and volume of four different objects.

Question illustration
A
X, Y, W, Z
B
X, Z, Y, W
C
W, Y, Z, X
D
Z, Y, X, W
3

If the density and volume of an object is known, what can also be found?

A
the mass of the object
B
the shape of the object
C
the size of the object
D
the thickness of the object
4

What is the equation for density?

A
D =
Option A
B
D =
Option B
C
D =
Option C
D
D = mv2
Option D
5

Which object will sink in freshwater, which has a density of 1.0 g/cm3?

A
Object 1, which has a density of .08 g/cm3
B
Object 2, which has a density of 1.9 g/cm3
C
Object 3, which has a density of .06 g/cm3
D
Object 4, which has a density of .03 g/cm3
6

Gerald is fishing. He uses a bobber that floats on the surface to show him if the line is being moved, and a lure that sits below the surface to attract fish.Which statement accurately describes the densities of these two items?

A
The bobber and lure are more dense than the water.
B
The bobber and lure are less dense than the water.
C
The bobber is more dense than the water, and the lure is less dense than the water.
D
The bobber is less dense than the water, and the lure is more dense than the water.
7

Janice measured the mass and the volume of an object. She then determined the density of the object by dividing the object’s mass by its volume (D = ). Which value would most likely represent the density of the object?

Question illustration
A
–1 g/cm3
B
4 m/s
C
–3 m/s
D
6 g/cm3
8

What happens when an object has a density greater than that of the surrounding liquid?

A
The object will sink.
B
The object will float.
C
The object will become a solid.
D
The object will become a gas.
9

Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a measured side length of 4.1 cm? (Density: D = )

Question illustration
A
.1828 g/cm3
B
.3254 g/cm3
C
3.073 g/cm3
D
68.92 g/cm3
10

Which describes density?

A
amount of volume for a given object
B
ability of an object to take up space
C
amount of mass in a given volume
D
ability of an object to float in water

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Density Answers — FL-2003010-MJ Physical Science