Density

You are riding in an elevator at a museum. Which would describe a more crowded elevator than in the picture?

• 4 people in the elevator

• 12 people in the elevator

• 6 people in the elevator

• 2 people in the elevator

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1, 

• 4, 3, 1, 2

Why do some substances float on water?

• they are warmer than water

• they are cooler than water

• they are more dense than water

• they are less dense than water

In this picture, what is true?

• Box A has a lower volume

• Box B has a greater volume

• The boxes have the same mass

• The boxes have the same volume

Calculate the density of the cube.

• .33 g/cm³

• .4 g/cm³

• .6 g/cm³

• .5 g/cm³

Why does this huge ship float on the water. Why it does not sink?

• Because it is less dense than the water

• Because it is denser than the water

• Because it is havier than the water

• Because it is less dense than the water

What is population density?

• A) The number of people living in a square kilometer

• B) The total population of a country

• C) The number of cities in a region

• D) The number of houses in a neighborhood

Which country has the highest population density in the world?

• A) India

• B) Monaco

• C) China

• D) Bangladesh

How does urban density affect public transportation?

• A) It decreases the need for public transportation

• B) It increases the efficiency of public transportation

• C) It has no effect on public transportation

• D) It makes public transportation more expensive

What is the relationship between population density and resource allocation?

• A) Higher density leads to more efficient resource allocation

• B) Higher density leads to less efficient resource allocation

• C) Density has no impact on resource allocation

• D) Lower density leads to more efficient resource allocation