Density Review

An object with which of the following densities will float on water?

• 0.7 g/cm3
• 1.2 g/cm3
• 3.5 g/cm3
• 11.4 g/cm3

Tags

CCSS.HSG.MG.A.2

A can of Coke will sink in a bowl of water.  A can of Diet Coke will float in a bowl of water.  What does this tell you about the density of the Diet Coke?

• it is bigger than 1
• it is smaller than 1
• it is equal to 1
• it is equal to -1

Why do ice cubes float in a  glass of water?

• the ice cubes are more dense than the water
• the water is more dense than the ice cubes
• the water is more dense than the glass
• the ice is more dense than the glass

Which property of matter is determined by dividing its mass by its volume?

• elasticity
• buoyancy
• density
• viscosity

The following liquids are poured together in a beaker: alcohol (density=0.79), corn syrup (density=1.38), water (density=1.0), and cooking oil (density=0.93).  Which of these liquids will sink to the bottom of the beaker?

• alcohol
• corn syrup
• water
• cooking oil

Tags

CCSS.HSG.MG.A.2

Will an object with a density of 1.01 g/cm3 float or sink?

• float
• sink

Tags

CCSS.HSG.MG.A.2

Mercury is a metal that is liquid at room temperature and has a density of 13.5 g/cm3.  Which of these metals would sink below the mercury if dropped into a container of mercury?

• gold (density=19.3 g/cm3)
• lead (density=11.4 g/cm3)
• iron (density=7.9g/cm3)
• aluminum (density=2.7g/cm3)

Tags

CCSS.HSG.MG.A.2

A brick sinks in water while a wooden block of the same size floats.  This is because the brick has a

• lower volume than the wooden block
• lower density than the wooden block
• higher volume than the wooden block
• higher density than the wooden block

Will an object with a density of 0.999 sink or float in water?

• sink
• float

A scientist has four different liquids and pours them all into a bottle.  The silver liquid sinks to the bottom, the red liquid settles on top of the silver one, and the pink liquid stays at the surface. Which liquid has the smallest density?

• the pink liquid
• the silver liquid
• the red liquid
• the water

Tags

NGSS.MS-PS1-2