Impacts of Extracting Metal Flashcards
Name 2 disadvantages of metal extraction?
Uses lots of energy.
Bad for the environment.
What do people have to balance?
The social, economic and environmental effects of mining ores.
Why is mining metal ores good?
Useful products can be made.
Provides locals with jobs.
Brings money to the area.
This means what can be improved?
Transport and health.
Why is mining ores bad for the environment?
It is noises.
Scars the landscape.
Loss of habitats.
What can also be dangerous ?
Deep mine shafts for a long time after they have been abandoned.
What is very IMPORTANT?
Recycling metals.
Where does the metal come from when mining metals?
Burning fossil fuels.
What is bad with fossil fuels?
They are running out so we need to conserve them.
Burning fossil fuel does?
Contributes to acid rain.
Global dimming.
Climate change.
What does recycling use?
Only uses a small fraction of energy to mine and extract new metal.
EXAMPLE.
Recycling copper?
It only takes 15% of the energy that’ needed to mine and extract new copper.
Energy doesn’t what?
Come cheap.
Recycling safes money.
How much metal is there in the Earth?
A finite amount of each.
What does recycling do?
Conserves metal resources.