Grade 7- Physical Properties of Materials
- Hymsco Library

- Aug 13, 2024
- 1 min read
Physical property describes a state of physical matter that can be measured.
Materials exist in three states which are: solid, liquid and gas.
Materials have different physical properties as follow:
Shape
Solid material such as stones and metals have definite shape.
Liquids and gaseous materials do not have a definite shape of their own. They take any shape of the container in which they are stored in.
Appearance
Material have different colours, texture and reflection. For
example, materials such as wood, stone and soil are rough.
Feel
! Some materials have surface that feel smooth such as metals and glasses while other like wool is tenderer than sand and glasses are smooth and shiny.
Hardness
The ability of a material to resist scratching. Some materials are harder than others. For example, a stone is harder than timber.
Fire resistance
Some materials like metals, stones and clay do not burn. Other materials like those from plants and animals burn

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