3.6 Metallic Issues Flashcards
1
Q
Why does recycling metals save energy?
A
It means less ores are needed to be mined so less energy is used for that, which also means less fossil fuels are used
2
Q
Name 4 advantages of using metals in construction
A
- strong
- bent into shape
- flexible wires
- good electrical conductors
3
Q
Name 4 disadvantages of using metals in construction
A
- obtaining metals from ores causes pollution
- uses limited resources
- metals are more expensive than other materials like concrete
- iron and steel can rust
4
Q
Name a disadvantage of ore mining
A
- produces large amounts of waste
* effects large areas of the environment
