a. Why do we need to group materials?
b. Name any five properties that can be used for sorting materials.
Answers
Answer:
So for the convenience and to make the study of different materials easier and convenient we group the materials on the basis of different properties. ... The grouping or the classification of materials makes the study easier and also saves our time and energy.
Properties
Roughness or smoothness.
Hardness or softness.
Transparency, translucency or opaqueness.
Physical state (solid, liquid or gas)
Appearance (shiny or dull)
Explanation:
Answer:
a.
So for the convenience and to make the study of different materials easier and convenient we group the materials on the basis of different properties. ... The grouping or the classification of materials makes the study easier and also saves our time and energy.
b.The following are the properties of materials.
Roughness or smoothness.
Hardness or softness.
Transparency, translucency or opaqueness.
Physical state (solid, liquid or gas)
Appearance (shiny or dull)
Solubility or insolubility in water.
Heaviness or lightness with respect to water.
Attraction towards magnet.