Density

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

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

What units are used to measure Density?

• cm³/g

• g

• g/cm³

• cm³

A crayon has a mass of 10g and volume of 5 mL. What is the density?

• 30 g/mL

• 15 g/mL

• 1 g/mL

• 2 g/mL

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

Density is...

• the amount of mass in an object

• the size of the object

• how crowded or packed the particles are

• the weight of an object

Tags

NGSS.MS-PS3-4

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

What is the density of water?

• 0 g/ml

• 1 g/ml

• 10 g/ml

• 100 g/ml

Which box has a higher density?  

• Box A

• Box B

• cannot be determined

• they are the same