All objects have two properties in common:
- Mass: is the amount of matter in an object. Mass is measured in Kilograms or grams.
- Volume: is the amount of space an object occupies. The volume of liquids is measured in litres or mililitres. The volume of solids is measured in cubic metres or cubic centimetres.
Other properties: objects also have other properties: colour, hardness, lustre and transparency.
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