Lab: Density of Solids

Question 1

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?

Revolt · Accepted Answer

The bobber is less dense than the water, and the lure is more dense than the water.

Question 2

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

Revolt · Accepted Answer

Salt water is more dense than freshwater.

Question 3

Which describes density?

Revolt · Accepted Answer

amount of mass in a given volume

Question 4

What is the density of a 36 g object with a volume of 15 cm3? (Density: D = )

Revolt · Accepted Answer

2.4 g/cm3

Question 5

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 = )

Revolt · Accepted Answer

.1828 g/cm3

Question 6

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

Revolt · Accepted Answer

The object will sink.

Question 7

Which describes how to calculate density?

Revolt · Accepted Answer

mass divided by volume

Question 8

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

Revolt · Accepted Answer

.67 cm3

Question 9

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

Revolt · Accepted Answer

Object 2, which has a density of 1.9 g/cm3

Question 10

What is the equation for density?

Revolt · Accepted Answer

D =

Lab: Density of Solids Answers

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