Density — Quiz Answers

29 verified answers4 views
21
Free Preview

Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12 point 6 g and a measured side length of 4 point 1 centimeters ? (Density: cap d is equal to m over v )

A
3 point 0 7 3 the fraction with numerator g and denominator cm cubed
B
point 1 8 2 8 the fraction with numerator g and denominator cm cubed
C
68 point 9 2 the fraction with numerator g and denominator cm cubed
D
point 3 2 5 4 the fraction with numerator g and denominator cm cubed
22
Free Preview

If steel is more dense than lake water, why can a boat float?

A
Steel has a special ability to float regardless of density.
B
The average density of the boat, including the steel and air, is more dense than 1 point 0 0 the fraction with numerator g and denominator cm cubed .
C
The average density of the boat, including the steel and air, is less dense than 1 point 0 0 the fraction with numerator g and denominator cm cubed .
D
Lake water is more dense than pure water.
23

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

A
the mass of the object
B
the thickness of the object
C
the shape of the object
D
the size of the object
24

Which object will sink in freshwater, which has a density of 1 point 0 the fraction with numerator g and denominator cm cubed ?

A
Object 1, which has a density of point 0 8 the fraction with numerator g and denominator cm cubed
B
Object 2, which has a density of 1 point 9 the fraction with numerator g and denominator cm cubed
C
Object 3, which has a density of point 0 6 the fraction with numerator g and denominator cm cubed
D
Object 4, which has a density of point 0 3 the fraction with numerator g and denominator cm cubed
26

Which describes density?

A
ability of an object to take up space
B
amount of mass in a given volume
C
ability of an object to float in water
D
amount of volume for a given object
28

Mason notices that his boat sinks lower into the water in a freshwater lake than in the ocean. What could explain this?

A
Salt water is less dense than freshwater.
B
The boat is less dense in salt water.
C
Salt water is more dense than freshwater.
D
The boat is more dense in salt water.
29

Which describes density?

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

Did you find these answers helpful?