Density is mass per volume. To calculate density, divide the mass of a substance by its volume.
Each object or substance has its own density:
- Water has a density of one kilo per litre of water: 1 kg/l. This means that one litre of water has a mass of 1 kilo.
- Iron has a density of 7.9 kilos per litre of iron: 7.9 kg/l. This means that one litre of iron has a mass of 7.9 kilos.
Each object or substance has its own density:
- Water has a density of one kilo per litre of water: 1 kg/l. This means that one litre of water has a mass of 1 kilo.
- Iron has a density of 7.9 kilos per litre of iron: 7.9 kg/l. This means that one litre of iron has a mass of 7.9 kilos.
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