Density Review Question Preview (ID: 54000)


Density Review. TEACHERS: click here for quick copy question ID numbers.

What is the density of a substance that has a mass of 55.4 g and a volume of 10 cm3?
a) 0.554 g/cm3
b) 5 kg/l
c) 5 kg/l
d) 5.54 g/cm3

Density is defined as
a) mass/volume.
b) volume * mass.
c) volume + mass.
d) volume - mass.

An object will always float in water if it is...
a) more dense than water
b) less dense than water
c) heated up in water
d) frozen

What is the density of water?
a) 0.11g/cm3
b) 0.1g/cm3
c) 1.0g/cm3
d) 2g/cm3

The volume of a sample element is 10 mL. If the mass of the sample is 98.7 grams, what is its density?
a) 98.7 g/mL
b) 9.87 g/mL
c) 1.01 g/mL
d) 0.10 g/mL

You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
a) 0.333 g/cm3
b) 3.0 g/cm3
c) 0.3 g/cm3
d) 30 g/cm3

You have a different rock with a volume of 30cm3 and a mass of 60g. What is its density?
a) 2.0 g/cm3
b) 20 g/cm3
c) 0.5 g/cm3
d) 5 g/cm3

What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3? 1.
a) 0.85 g/cm3
b) 1.176 g/cm3
c) 1.00 g/cm3
d) 8.5 g/cm3

A piece of wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the wood?
a) 0.9 g/cm3
b) 40.323 g/cm3
c) 6.0 gm/cm3
d) 1.11 g/cm3

A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal. Gold: 19.3 g/mL Copper: 8.86 g/mL Bronze: 9.87
a) Gold
b) Copper
c) Bronze
d) None of these

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