Metal
Metal
Metals are materials found in the earth that are usually solid, strong, and shiny.They have special properties that make them very useful in our daily life.
Properties of Metals
Shiny (Lustrous)Metals look shiny when polished.Example: Gold, silver.
Strong and HardThey do not break easily and can hold heavy weight.Example: Iron is used in buildings.
Good Conductors of Electricity.
Metals let heat pass through them easily.Example: Cooking pots are made of metal.
Good Conductors of ElectricityThey allow electricity to flow.Example: Copper wires in your house.
MalleableMetals can be hammered into thin sheets.Example: Aluminium foil.
DuctileMetals can be stretched into thin wires.Example: Copper wires.
High Melting and Boiling PointsThey need a lot of heat to melt.
Uses of Metals
Making utensils
Building bridges and buildings
Making vehicles (cars, bikes, buses)
Electric wires
Jewellery (gold, silver)
Fun Fact
Gold is so soft that one gram can be stretched into a 2 km long wire!