A hard material is the one that...
A ductile and malleable material is the one that...
A brittle material is the one that...
A plastic material is the one that...
An elastic material is the one that...
Nowadays we need to support materials easy to...
Some materials have high mechanical resistance, that is,...
A tough material is the one that...
A flexible material is the one that...
A rigid material is the one that...
According to its optical properties, a material can be...
A material is conductor of heat or electricity when...
Some materials have great oxidation or corrosion resistance because...
A material is denser than another one when...
.... they can bear forces that tends to deform them.
... is difficult to break when it suffers repeated impacts or blows.
... scarcely bends when a force tries to do it.
... bends easily without breaking.
... can return to the original shape when the force that acts on it stops.
... is more difficult to scratch or drill than others.
... can be turned into other shapes (wires, sheets...) when some forces act on it.
... breaks easily when suffers an impact or blow.
... they remain intact despite the atmospheric agents or other chemical products.
... recycle if we want to achieve a sustainable development.
... it lets heat or electricity flow through it.
... its weight per volume is higher.
... transparent, translucent or opaque.
... presents a permanent deformation when the force that acts on it stops.
