Understanding Density Quiz

What does density mean?

• The amount of mass divided by volume

• How much space something takes up

• How heavy something is

• The weight of an object in space

What is mass?

• The density of an object

• How heavy something is due to gravity

• How much space something takes up

• The weight of an object in space

What does volume refer to?

• The density of a substance

• How much space something takes up

• The weight of an object

• The amount of mass in an object

Why does oil float on water?

• It has a higher volume than water

• It is less dense than water

• It has more mass than water

• It is heavier than water

Why do clouds float in the air?

• They are made of water

• They have more mass than air

• They are less dense than the air below them

• They are heavier than air

What happens to hot air compared to cold air?

• Hot air sinks

• Hot air is denser than cold air

• Hot air rises

• Hot air has more mass

What is the formula for density?

• Mass times volume

• Mass plus volume

• Mass divided by volume

• Volume divided by mass

What is weightlessness?

• When an object is in space and not pulled by gravity

• When an object has no mass

• When an object has high density

• When an object is very light

What is the relationship between mass and density?

• More mass in the same volume means more density

• More mass means less density

• Mass and density are unrelated

• More mass means more volume

What is the significance of 'Dense City' in the explanation?

• It is a metaphor for heavy objects

• It is a real city in Massachusetts

• It represents a place with high mass

• It helps remember the concept of density