Density Answers

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The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget? (Density: D = )

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A
.25 cm3
B
.67 cm3
C
1.48 cm3
D
2.50 cm3
2
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This table shows the mass and volume of four different objects.

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

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
4

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?

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A
–1 g/cm3
B
4 m/s
C
–3 m/s
D
6 g/cm3
5

There are liquids of different densities together in a container. What will happen to the liquid with the lowest density?

A
It will move to the bottom.
B
It will move to the top.
C
It will bubble out as a gas.
D
It will form a solid.
6

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
7

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.
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 = )

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

Which describes how to calculate density?

A
mass divided by volume
B
volume divided by mass
C
mass added to volume
D
volume subtracted from mass

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