Class 7 | ch 4 | Science

 Material:-

Material is any substance or matter from which an object or thing is made.

Properties of Materials:-

1. Malleability

Definition:
Malleability is the property of a material by which it can be beaten or hammered into thin sheets without breaking.

Examples:

  • Gold
  • Silver

2.Ductility

Definition:
Ductility is the property of a material by which it can be drawn into thin wires.

Examples:

Copper
Aluminium

3. Sonority


Definition:
Sonority is the property of a material by which it produces a ringing sound when struck.

Examples:

Iron
Copper
Aluminium




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