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1. Riya’s father got a transfer to another place. While sorting out the things Riya found many of her clothes of various fabrics were not fitting her or worn-out. She thought of burning them to get rid of them. But her friend Shweta suggested to donate it to some charity house so that it can be reused.

(a) What are the two main types of fibres?
(b) Which fabrics are known to be skin friendly? Why?
(c) Why we should not burn synthetic clothes?
(d) Why synthetic clothes are famous than natural fabrics?
(e) What values of Riya and Shweta are shown here?

2.Piku is very fond of art and craft. She decided to make some items like pen keeper, purses, toys, etc., using old fabrics and plastics. She donated these in a charity.

(a) Is it practical to say completely ‘NO’ to plastics?
(b) How can we reuse any plastic items?
(c) What value of Piku is shown here?

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Nathanael's totally practical and realistic questions (okay on second thought maybe they're not so realistic)

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Nathanael's totally practical and realistic questions (okay on second thought maybe they're not so realistic)

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Q1. Nathanael (that's me) went to go skydiving and got a parachute. But, due to extremely bad worksmanship and because the parachute got caught on a nail, it was torn. To repair the parachute they needed nylon, however, due to extremely bad luck, there was no nylon available and they needed another fabric. What would be a suitable replacement for Nylon and why.
Q2. Plastics are bad for the environment (which is blatantly obvious), however, what would happen if all plastics (ehem kim kardashian ehem) were to suddenly disappear from the world? How do you think it would affect us and would life be harder or easier?

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My questions are:-

1. If plastic is harmful to our and most organisms' health, why do we drink water and have food in plastic glasses and plastic plates? How/Why do these plastic containers harm/not harm us?

2. Plastic is said to take years and years to get decomposed. Give two examples from your surroundings to prove that plastic does not get damaged easily by harsh conditions.

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Shreejan Banik's interesting questions

Arjun's family got a transfer to Jaipur. While sorting out the things Arjun found many of his clothes of various fabrics were not fitting him or worn-out. He thought of burning them to get rid of them. But his friend Anil  suggested to donate it to some charity house so that it can be reused.
A) Which fibre will be a threat to our environment if we burn it ?
B) What are the possible things which can infect his lungs ?
C) What responsibility did Anil show in the above line ,how did he manage to save the environment ?
D) Was it a good decision to give it to charity ? explain.

2) While in the break time Affan and Adhyanshu got into a huge argument regarding this statement "manufacturing of synthetic fibres is actually helping the conservation of forest".What are your point of  views regarding this statement ?

3) Last week Shreejan and Yash  planned to cook something new ,Shreejan's father told them to wear cotton clothes for safety, but they didn't find  any cotton cloth in front of them   for wearing . They had (nylon ,rayon , acrylic, polyester ) they had chosen rayon , explain why?

4) Yesterday Paheli and Tanya had a  race . Paheli thought  she would wear cotton clothes because in summer it would be comfortable and Tanya thought to wear fully synthetic  fibre( jersey) cloth .When they had just started warm up exercise paheli was feeling  uncomfortable while Tanya was fine .What could be the possible reason regarding this?

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Q1. Virat was advised by his kitchen chef not to wear synthetic clothes while working in the kitchen. State the reasons why was he advised not to wear synthetic clothes.

Q2. Plastics are very useful still they are not environment friendly. Why?

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Q1) Humpty went to the market in month of may he wanted to buy a shirt he was confused which to buy a cotton shirt or synthetic material shirt help Humpty in selecting his shirt and why should he buy that material shirt.

Q2) If the ropes which are made for climbing were made of jute and not made from nylon what would happen ?

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Q.1) One day Shreejan tried to make an electric switch (the one you generally find on walls) by using thermoplastics instead of thermosetting plastics. What would be his observations after using the switch for one to two weeks ?
Q.2) In the previous class, Shilpa ma'am taught us the advantages and disadvantages of thermoplastics and thermosetting plastics. Adyanshu was very curious to know that if we obtain a plastic that has advantages of both the types of plastics then what will happen. He decided to mix both the thermoplastic and thermosetting plastic to make one plastic. What would be the properties of the resultant plastic ?
-DO NOT TRY TO DELETE THIS, EVEN IF YOU DO, I WILL REPOST THIS; NO PROBLEM☜(ﾟヮﾟ☜)-

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Q1) How plastics are used in healthcare industry?
Q2) How thermoplastic and thermosetting plastics differ in structure?
Q3) Polyester is synthetic fibre. Define chemical nature of Polyester. Differentiate polywool and polycot.

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Q1. If Anika bought a plastic bottle made of Thermosetting Plastics and stored hot tea in it for 3 hours. What would happen to the tea? What would happen to the bottle?

Q2. What type of Plastic would you require to make gloves for cooking? Thermoplastics or Thermosetting plastics?

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Q.1) We are always adviced to avoid purchasing plastic containers. But, when Rahul's mother went to a store to buy containers for storing dal grains, she insted of purchasing a metal container brought a plstic container. What could be the reason?

Q.2) Maya was baking a cake, so she poured her batter in a plastic container which is microwave safe. But, still her friend Preeti told her not to use plastic container in oven insted use a steel bowl. What could be the reason?

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Q1) Payal went to the market to buy a blanket. The shopkeeper showed her blankets made of acrylic fibres as well as made of wool. She preferred to buy an acrylic blanket. Can you guess why?
Q2) How ‘Manufacturing synthetic fibres is actually helping conservation of forests’.

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Q. Shreejan bought some old electric plugs to a recycling plant so as to recycle the plastic. But when he reached there the director of the plant, Affan, didn’t accept his electric plugs. What could have been the reason? (Hint: Think about the types of plastics)

Q. So one one day the plastic recycling plant manager, Affan wanted to buy house hold chemicals like floor cleaners. There he noticed the chemicals were always stored in plastic bottles? Why not store them in metal container's which are stronger? Help Affan answer the questions.