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CLASSIFICATION OF MATERIALS (Properties of Materials (Ability to…
CLASSIFICATION OF MATERIALS
Properties of Materials
Flexibility
Ability to bend without breaking
Flexible
Rubber
Paper
Fabric
Stiff
Metal
Glass
Ceramic
Strength
Ability to support a heavy load without breaking or tearing
Strong
Metal
Rubber
Wood
Weak
Paper
Fabric
Plastic (Thin)
Absorbency
Ability to absorb water
Able to Absorb Water
Paper
Wood
Wool
Waterproof
Metal
Glass
Rubber
Transparency
Ability to allow light to pass through
Transparent
Translucent
Opaque
Ability to Float/Sink in Water
Able to Float on Water
Magnetic or not
Ability to be attracted by a magnet
How to Test the Property of the Material
Strength
By trying to break the material using loads. or by tearing it with both hands
The more loads the material is able to support before breaking, the stronger It is.
Flexibility
By trying to bend the material with both hands
The more the material is able to bend, the more flexible it is.
Ability to Float/Sink in Water
By pushing an object into water and observing if it stays underwater or rises to the top
If the material stays underwater, it sinks in water.
If the material rises to the top, it is able to float on water.
Absorbency
By dipping the material in water to observe if it remains dry or has absorbed water
If the material remains fry, it is waterproof
If the material has absorbed water and become wet, it is able to absorb water
Transparency
Magnetic or not
Choosing the Right Material to Make an Object
Types of Materials
Natural Materials
Man-made materials