Classification of Non-living Things
Non-living things in the environment can be grouped into two depending on their properties. They are:
- metals
- non-metal
Metals
Metals are solid materials obtained from a natural product known as iron ore found in some places under the earth. They are generally solids except for mercury, which exists in liquid state. Examples are copper, iron rod, empty cans, aluminum, silver, gold, lead, potassium, uranium, mercury etc.
Properties of Metals
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