EVERYDAY SCIENCE - MATERIALS
Question 1

While walking past a bubble tea store, Ace was attracted by the colourful drinks that are contain edible “pearls”. He observed that the drinks are sold in cups made of clear plastic.

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Answer 1

Fill in the blanks with the keywords provided below.
[water] • [lightweight] • [break] • [transparent] • [most light] • [waterproof] • [weak] • [pass]

a) Why is bubble tea sold in cups made of clear plastic?

Answer:

Clear plastic is so it allows to pass through. Customers are able to see what they are drinking and shop owners can use different colours and toppings to attract customers.



b) Give one reason to explain why glass is not used as a packaging material for bubble tea.

Answer:

Glass is a material, it could easily. Bubble tea is often held in the hand and drunk while people are walking about. If a customer drops the cup, he could be injured by the shattered glass.



c) Other than the property discussed in (a), list 2 other properties of plastic that make it a suitable material to make cups.

Answer:

Plastic is and does not allow to through. This allows the cup to hold the drink inside it without leaking.
Plastic is . The drink can be carried about with less effort.





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“To save the environment, edible water ‘bottles’ have been created! However, they are not made of plastic but brown algae! Watch this video to find out how these waterproof capsules are made.”