Table of Contents
What is mean by soft materials?
Those materials which can be easily compressed, cut, bent or scratched are called soft materials. Examples: Sponge, Cotton.
What are examples of hard materials?
Some examples of hard materials are diamond, boron carbide, quartz, tempered steel, ice, granite, concrete. Ability of material to resist wear, tear, scratching, abrasion cutting is called hardness. Harder materials are more difficult to cut and shape than softer ones.
What is soft material Class 6?
Those materials which can be easily compressed cut, moulded or scratched are called soft material. For example: Sponge, cotton, wool ,foam, rubber ,candle wax ,butter ,chalk, clay ,feathers, flour, skin etc.
Which material is called hard and why?
Hard: Material which are difficult to compress are called hard, e.g. diamond, stone, wood, steel, etc. Diamond is the hardest natural substance. Soft: Materials which can be compressed easily are called soft, e.g. chalk, cotton, rubber, etc.
What is hard material?
Those materials which cannot be easily compressed, cut, bent or scratched are called hard materials. Examples: Iron, glass. Those materials which can be easily compressed, cut, bent or scratched are called soft materials.
What are hard substances?
Schedule I lists the substances classified as hard drugs, for example heroin, cocaine, amphetamine, ecstasy and GHB. Schedule II lists the substances classified as soft drugs: cannabis products (hash and marijuana) and sleeping pills and sedatives such as Valium and Seresta.
What are example of soft objects?
Some examples of soft objects are: Sponge. Cotton. Pillow.
What is a example of hardness?
“Hardness is a measure of how difficult or easy it is for a substance to be penetrated or scratched! For example, steel (like a steel nail) can scratch your fingernail, so steel is harder than fingernail!!”
What is the property of a hard or a soft material called?
Hardness: hardness is another property of materials. Some materials are very hard while some are very soft.
What is soft and hard material?
What is hard and soft?
Materials that can be compressed are known as soft materials. Examples are cotton, rubber, and sponge. Materials that cannot be compressed are known as hard materials.
Why are some materials hard and others soft?
Metals alloys like steel are much harder than elemental metals because they are a mixture of different elements like iron, nickel, chrome, etc. Basically, when a metal is composed uniformly of the same atom, they fit together very tightly and slide over each other easily. This is why pure gold is so soft and malleable.