Density

equal to mass divided by volume

• density

• crystal structure

• mineral

• color

Which liquid is the least dense?

• oil

• water

• syrup 

• plastic bottle

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

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

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

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

• 3 g/cm³

• 1/3 g/cm³

• 27 g/cm³

• 39 g/cm³

Jill has a gel pen. The gel pen has a mass of 8g and a volume of 2cm³. What is the density of the pen?

• 4 g/cm³

• 16 g/cm³

• 0.25 g/cm³

• 64 g/cm³

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

Do all objects have the same density?

• yes

• no

What does cooler, denser material do?

• float

• sink

• nothing

What increases when temperature decreases?

• mass

• volume

• density