# Density: Question Preview (ID: 21603)

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**What happens to the denisty of a solid object if you cut it into 8 equal pieces?**

a) The density stays the same

b) Each piece has a density 1/8 of the original

c) The density of each piece is 8 times greater

d) Each piece has a density 1/4 of the original

**What is the formula for density?**

a) Mass times volume

b) volume divided by mass

c) mass divided by volume

d) volume times mass

**Objects in water will float if the density of the object is**

a) more than 1

b) less than 1

c) twice the amount of the water

d) 1

**The proper units to use when measuring density are**

a) g/cm3

b) cm3

c) g

d) cm3/g

**What is the density of an object if the volume is 50.0 cm3 and the mass is 25.0g**

a) 2.0 g/cm3

b) 1.0 g/cm3

c) 1250.0 g/cm3

d) 0.5 g/cm3

**If an object has a density of 0.9 g/cm3 it will**

a) sink in alcohol that has a density of 0.8 g/ml

b) it will sink in water that has a density of 1.0 g/ml

c) float in oil that has a density of 0.7 g/ml

d) float in alcohol that has a density of 0.8 g/ml

**An object will sink in water if it has a density**

a) equal to the density of water

b) 1/2 the density of water

c) less than 1

d) greater than 1

**A block of metal has a mass of 14.0 kg and a volume of 2.0 L. What is the density?**

a) 28.0 g/ml

b) 7.0 g/cm

c) 7.0 g/ml

d) 28.0 g/cm

**Oil floats on water. The most accurate reason for this is**

a) Oil is more dense than water

b) Water is less dense than oil

c) oil is immiscible (does not dissolve) in water

d) oil is less dense than water

**A graduated cylinder contains 100 ml of a liquid. The mass of the graduated cylinder with the liquid is 145 grams.The mass of the graduated cylinder when empty is 45 grams. The liquids density is**

a) 3.2 g/ml

b) 1.0 g/ml

c) 0.3 g/ml

d) 5.4 g/ml

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