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- 1. Keep count of all the aluminium cans your family uses in a week. How many of these get recycled?
- Some drink cans are made from steel, which is a different type of
metal. Collect a number of empty cans – some steel, some aluminium. Can you tell the difference between them?
Hints
- Look for symbols on the bottom or side of the can.
- Look at the base of the can – is it shiny or dull?
- Test it with a magnet – does it stick to the magnet?
- Weigh the cans – is there any difference in how heavy they are?
- Weigh a number of empty aluminium cans on a pair of kitchen scales. Try these maths mindbenders:
- How much does each can weigh? (Hint: divide the total weight by the number of cans).
- How many cans do you need to collect to make up 1kilo (1000 grams) of cans?
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