Density Basics
What is density?
The amount of mass contained in a given volume.
A sample has a mass of 20 g and a volume of 5 mL. What is its density?
A substance has a density of 3.5 g/mL and a volume of 20 mL. What is its mass?
A metal has a mass of 195 g and a density of 7.8 g/cm³. What is its volume?
25 cm³
Water has a density of approximately 1 g/mL. An object has a density of 0.75 g/mL. What will it do?
Float
What is the formula used to calculate density?
A block has a mass of 60 g and a volume of 10 cm³. What is its density?
A metal has a density of 7.8 g/cm³ and a volume of 15 cm³. What is its mass?
A liquid has a mass of 96 g and a density of 1.2 g/mL. What is its volume?
80 mL
An object has a density of 1.25 g/mL. What will it do in water?
Sink
What are the common units used for the density of liquids?
A metal has a mass of 156 g and a volume of 20 cm³. What is its density?
A liquid has a density of 1.2 g/mL and a volume of 125 mL. What is its mass?
150 g
A metal has a mass of 1.2 kg and a density of 8 g/cm³. What is its volume?
150 cm³
A graduated cylinder reads 42 mL before a rock is added and 67 mL afterward. The rock has a mass of 150 g. What is its density?
6 g/mL
What are the common units used for the density of solids?
A block has a mass of 360 g and dimensions of 4 cm × 5 cm × 6 cm. What is its density?
A substance has a density of 2.75 g/cm³ and a volume of 40 cm³. What is its mass?
A liquid has a mass of 1.05 kg and a density of 0.7 g/mL. What is its volume?
1,500 mL
A student calculates a density of 0.25 g/mL for a sample. The sample has a mass of 150 g. What is its volume?
600 mL
Which has lower density: an object with greater volume or smaller volume, assuming mass is equal?
Greater volume
A student has an unknown metal with a mass of 585 g. The water level in a graduated cylinder rises from 35 mL to 110 mL after the metal is added. What is the metal's density?
A metal has a density of 8.9 g/cm³ and a volume of 32 cm³. What is its mass?
A metal has a mass of 2.25 kg and a density of 9 g/cm³. What is its volume?
250 cm³
A metal sample has a mass of 624 g. Its dimensions are 4 cm × 6 cm × 5 cm. What is its density?
5.2 g/cm³