Recycling aluminium
This task is about the energy used to make aluminium cans.
Fact file
Cans that are made now are 25% thinner than 30 years ago.
Most of the energy for making the world's aluminium comes from dams.
Only 5% of the energy that is used in making a new can is needed to make a recycled can.
Question
1
Change answer
a) Give one reason why recycling of aluminium cans is good for our environment.
a) Give one reason why recycling of aluminium cans is good for our environment.
Question
1
Change answer
b) How do thinner cans help the world's aluminium supplies?
b) How do thinner cans help the world's aluminium supplies?
Question
1
Change answer
c) Why is it better for our environment if we get the energy for making aluminium from dams and not by burning coal?
c) Why is it better for our environment if we get the energy for making aluminium from dams and not by burning coal?
Published on
https://newzealandcurriculum.tahurangi.education.govt.nz