Density

The formula for density is

• D=v/m

• D=m/v

• D=m/mL

• D=g/v

Which of the following are units used for mass?

• kg

• mg

• g

• All the above

Which of the following can be a unit for volume?

• cm^3

• mL

• neither

• both

What is the density of a substance if its mass is 20g and the volume is 5mL?

• 4g

• 2.5g

• 4g/mL

• 2.5mL

True or False: Density changes with temperature change.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The density of a substance is 2.6 g/mL. If you cut it and half, what is the density of one of the halves?

• the same

• 1.3g/mL

• 5.2g/mL

• None of the above is correct

Tags

NGSS.MS-PS1-2

Mass = 22g. Volume=57mL. The density is .39mL.

• True

• False

The density of water is 1.0g/mL. What will happen if an object with a density of 1.5g/mL is placed in the water?

• It will sink

• It will float

The density of a substance is 6.5 g/mL. Which of the following substances would float in this liquid?

• 7.0g/mL

• 7.9g/mL

• 10.0g/mL

• 5.6g/mL

The volume of a substance that floats in water will have a greater volume than mass.

• True

• False

Tags

NGSS.MS-PS1-2