MATERIALS
·Mindomo:
Definitions and examples:
-Hardness Resistance is scratching and pressure. Hardwood does not mark as easily as softwood.
-Strength Amount of force needed to
break a material usually by pushing or pulling down.
-Toughness Resistance to breaking by
cracking, opposite to ‘brittle’.
-Stiffness Amount of force needed to
change the shape of a material, opposite to flexible.
-Elasticity Ability is the ability to return its
original shape when a force is removed eg rubber band.
-Plasticity Ability is the ability to retain the new
shape when a force is removed eg plasticene. Absorbency Ability of a material is to soak up a liquid.
-Waterproof Resistance is the resistance of materials to liquids,
repels water.
·Some innovative materials:
-Aerogels
-Superhydrophobic materials
-Hyperdinamonds
-Metallic glass
-Metallic foam
·Video:
https://www.powtoon.com/c/eHp9ZhdZefr/1/m
·Opinion about the video:
I think that those properties are very important in ordain because without them we cannot built ships and we can't protect ourselfs from rain.
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