Mass and volume
Mass is the amount of matter: measured with a balance, in g or kg, and independent of location. Volume is the space taken up: measured with a graduated cylinder, in mL or L. Know by heart: and .
8 min
Mass, volume and density
The formula ρ = m/V and its two rearrangements, the unit conversions that cost marks, and how to predict whether an object floats or sinks.
The essentials
2
Density
Members only
3
A characteristic property
Members only
4
Float or sink
Members only