Class 8 Science – Chapter 3
Synthetic Fibres and Plastics
Worksheet – Practice Questions
🟢 Section A: Very Short Answer Questions
- What is rayon?
- Name one synthetic fibre.
- Which plastic is used to make non-stick cookware?
- Write one disadvantage of plastics.
- What does PVC stand for?
🟡 Section B: Short Answer Questions
- Why is rayon called artificial silk?
- Write any two properties of synthetic fibres.
- Differentiate between thermoplastic and thermosetting plastic.
- Why should plastic not be burnt?
- Give two uses of nylon.
🔵 Section C: Long Answer Questions
- Explain the characteristics of synthetic fibres.
- Describe different types of plastics with examples.
- Explain the harmful effects of plastic on the environment.
- What are the 4R principles? Explain each.
🟣 Section D: Application Based Questions
- Why are plastic containers preferred for storing food?
- Why are synthetic fibres used to make parachutes and ropes?
✍️ Attempt all questions neatly in your notebook
No comments:
Post a Comment