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U1 review
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What is it made of?
Rubber
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Where does plastic come from?
Oil
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What is it made of?
Concrete
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Man-made world or nature-made world?
Nature-made world?
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Where does metal come from?
Rocks
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Man-made world or nature-made world?
Man-made world
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Where does rubber come from?
Rubber tree
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Where does fibre come from?
Cotton
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What is it made of?
Glass
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Where does glass come from?
Sand
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Who invented paper?
Cai Lun
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What is it made of?
Paper
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What is it made of?
Metal
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What is it made of?
Fibre
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Where does paper come from?
Wood
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What is it made of?
Wood
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Okay!
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