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Materials - Coggle Diagram
Materials
Classification of materials
Natural
Examples
Plants
Wood
Trunks & branches
Rubber
Sap of rubber trees
Cotton
Fruits of cotton plant
From the ground
Rocks
Sand
Clay
Stones
Metals
Steel
Iron
Zinc
Glass
From sand
https://youtu.be/kzEcoH0O920
Animals
Leather
Skin
Snakes
Cow
Silk
Silkworms
https://youtu.be/77ktNSPFbwQ
Feathers
Birds
Wool
fur / hair
Sheep
Goats
What
Things that exist naturally in nature
Man - made
What
Things that are made by humans
Example
Petroleum
https://youtu.be/D7RWMs0rC44
Plastic
Nylon
Hardness
Soft
Properties of materials
Flexibity
Stiff
Cannot be bend easily and will break
Flexible
Can bend easily without breaking
Density
Float
Low density
Sink
High density
Brittleness
Non - brittle
Does not break easily when hits of dropped
Brittle
Breaks easily when hits of dropped
Transparency