3.6 Metallic Issues Flashcards
1
Q
Why should we recycle metals?
A
Because it saves the energy needed to extract the metal, and it saves resources because less ore needs to be mined so less fossil fuels are needed to provide the energy to extract the metal from its ore
2
Q
What are the benefits of using metal in construction?
A
It is strong, easily bent into shape, can be made into flexible wires and good electrical conductors
3
Q
What are the drawbacks of using metals in construction?
A
Obtaining metals from ores causes pollution and uses up limited resources, metals are expensive and iron and steel can rust