Why are the Earth's resources like metals described as limited?
The Earth's resources are finite.
Once we have used them up, it can take an extremely long time for more to form naturally.
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What are some examples of the Earth's limited resources?
1. Metals - extracted from metal ores found in the crust.
2. Energy - obtained by burning fossil fuels like coal and oil.
3. Plastics - made from crude oil.
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What is recycling?
Recycling involves taking old or unwanted products and using the materials to create new items.
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What are the advantages of recycling over making new products from scratch?
1. Uses less of the Earth's finite resources like metal ores.
2. Requires less energy, often from burning fossil fuels.
3. Can cost less money.
4. Produces less waste going into landfill sites.
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What material is aluminium extracted from?
Aluminium is extracted from bauxite, which is an aluminium ore.
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Explain the environmental impacts of extracting and producing new aluminium.
Extracting and producing new aluminium requires mining bauxite.
Mining requires high energy use for processing and transporting materials, creating environmental damage.
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