Density

What is volume?

• anything that has mass and takes up space

• the amount of matter in an object

• the amount of space an object occupies

• length x width

An object with which of the following densities will float on water? The density of water is 1g/cm3

• 1.2 g/cm3

• 11.4 g/cm3

• 3.5 g/cm3

• 0.7 g/cm3

The S.I. unit used for density is?

• g/cm3

• g/m3

• kg/m3

• kg/cm3

Volume equals mass divided by ...

• temperature

• area

• density

• time

Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. Jack said the rock has a density of 7g/cm3. Is what Jack said true?

• true

• false

What is the volume of a stone of mass 30g and density 2.5g/cm3?

Mathematical Equivalence

ON

A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?

• temperature

• volume

• length

• weight

A cylindrical block of wood has radius 2 cm, height 7 cm and mass 66g. Calculate the density of the block.

• 75 g/cm3

• 0.88 g/cm3

• 0.75 g/cm3

• 7.5 g/cm3

Put the liquids in order from most dense to least dense.

• 3, 4, 2, 1

• 1, 2, 3, 4

• 4, 3, 2, 1

• 4, 3, 1, 2

A lego character with a density of 0.8g/cm3, is placed into a container of oil with a density of 0.92g/cm3. The lego character floats on the oil.

• true

• false