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Materials - Coggle Diagram
Materials
Common proterties of material
Every material has its own properties
The common properties of the materials
Animals
Plants
the ground
Hardness
Hard
Cannot be compressed easily
Cannot be scratched easily
Soft
Can be compressed easily
less hard
Can be scratched easily
Strength
Strong
Can support heavy things without breaking
Weak
Cannot support heavy things well that causes it to be weak.
Flexibility
Flexible
Can be bend easily without breaking
Not flexible
Cannot be bend
Density
Floats on water
Low density
Sinks in water
High density
Brittleness
Brittle
Breaks easily when hits or drops
Non-brittle
Does not break easily when hit or drop
Transperency
Transperent
Allows light to pass through it or allows us to see through it.
Non- transperent
Does not allow light to pass through it or does not allow us to see through it
Waterproof
Waterproof
Does not allow water to pass through
Non- waterproof
Allows water to pass through
Ability to absorb water
Able to absorb water
High absorbensy of water
Non-waterproof
low absorbency of water
Choosing materials in making useful objects
windscreen of a car
Usage
To let the drivers to see the traffic
Material
Glass
Some suitable properties of the material
Waterproof
Hard
Strong
Flexible
Tyre
Usage
To let bicycle and cars move on the smoothly
Material
Rubber
Some suitable properties of the material
Transparent
Waterproof
Hard
Strong
Flexible
Rope
Usage
To allows us to climb up the wall
Material
Nylon
Some suitable properties of the material
Strong
Flexible
Light
Durable
Jacket
Usage
To keep us warm in cold weather
Material
leather
Some suitable properties of the material
Soft
Light
Strong
classification of materials
Natural
Plants
Cotton
https://youtu.be/QHgNoSYlhYs?si=rQgigbORRPM7cMx6
Rubber
Sap of rubber tree
https://youtu.be/lUg7r7fu_eo?si=fGa0cA5SxvP7VOBi
Wood
Trunks
Branches
Plants
Animals
Leather
Skin
Snakes
Cows
Silk
silkworms
https://youtu.be/xJD1grsX0Dw?si=EHGd9t30zHPBNMf3
Wool
Fur or hair
Sheep
Goats
Feathers
Birds
From the ground
Glass
Sand
https://youtu.be/C2qKk4q53xs?si=fDmhp0nYmOU2JjLA
Rocks
Sand
Stone
Clay
Metals
Magnetic
Iron
Nickel
Cobolt
Steel
Non-magnetic
Aluminium
Copper
Silver
Gold
Things that exist naturally in nature
Man - made
Petroleum
Nylon
Plastic
Styrofoam
Plastic bag