Mass, Volume, and Density

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

Helium balloons rise on earth because

• helium is less dense than air

• helium is more dense than air

• helium is cooler than air

• helium is warmer than air

These two blocks have the same mass. Which is more dense?

• Red block

• Blue block

These two blocks have the same volume. Which is more dense?

• Red Block

• Blue Block

Four blocks were placed in water. Which is the most dense?

• Purple

• Red

• Blue

• Yellow

Four blocks were placed in water. Which have a density less than 1.0 g/ml (pick 2)?

• Purple

• Red

• Blue

• Yellow

What is the approximate density of the purple block?

• 0.2 g/cm³

• 0.8 g/cm³

• 1.0 g/cm³

• 1.2 g/cm³

Tags

NGSS.MS-PS1-2

A block has a mass of 20.0 g and a volume of 40.0 cm³. What is its density?

• 2.0 g/cm³

• 1.2 g/cm³

• 0.5 g/cm³

• 4.0 g/cm³

A ball with a density of 0.8 g/cm³ is placed in this container. Where would you expect it to stop?

• On top of Red

• Between Red and Yellow

• Between Yellow and Green

• Between Green and Blue

Tags

NGSS.MS-PS1-2

Which of the three blocks has the greatest density?

• A

• B

• C