Pupils investigate the properties of plastics then find solutions to problems caused by plastic waste globally An exciting challenge for pupils aged 8-14 years to develop solutions to the problems caused by plastic waste globally. 5. Plastics are also polymers.They consist of very long molecules made by joining many small molecules together. What properties of plastics make it useful for many things ? The plastics that act as insulators mostly have a high dielectric strength. Plastic has light weight, lower price, good strength and easy handling. 1. 10.Name the plastic, which deformed easily on heating and can be bent easily. Acrylic plastic is a polymer material that contains acrylic acid. 8. This strong and transparent plastic is a popular choice for light fixtures, beverage dispensers, and dishes. Name some artificial fibres. ... We can modify the chemistry of the material to provide specific beneficial properties for its end use, including the option to make it softer, harder, malleable, or durable. The plastics, have low specific gravity, the average being 1.3 to 1.40. *Question 2* List three steps you can take to reduce the danger that plastic pose to the environment? Cotton is a natural polymer known as cellulose which is composed of large number of glucose units. Plastic uses in various fields. Characteristics properties of plastics. The best app for CBSE students now provides Synthetic Fibres and Plastics class 8 Notes Science latest chapter wise notes for quick preparation of CBSE exams and school-based annual examinations. A plastic is a synthetic material which can be moulded or set into desired shape when soft and then hardened to produce a durable article. Plastics are an affordable material. Synthetic Fibres and Plastics. The NCERT Solutions for Class 8 science chapter 3 contains all the information about NCERT Solutions for Class 8 Science Chapter 3 Synthetic Fibres and plastics. Types of Plastics. It is used for making the handles of various cooking utensils(fry pans,pressure cooker) because, 2)It does not become soft on getting heated, It is used for making electric switches,plugs and sockets because. Bakelite:It is a very hard and tough plastic.It is a poor conductor of heat and electricity. There are two primary forms of plastic: thermoplastic and thermoset plastics, the use of which is dependent on the application. 16.06 Can a Visually Challenged Persons Read and Write? Plastics come from polymers, hence all plastics are polymers, but not all polymers are plastic. 16.6 Can a Visually Challenged Persons Read and Write? 9. 2. They are poor conductors of heat and electricity. These solutions for Synthetic Fibres And Plastics are extremely popular among Class 8 students for Science Synthetic Fibres And Plastics Solutions come handy for quickly completing your homework and preparing for exams. Required fields are marked *. They are cheap compared to metals. Filed Under: Class 8, Synthetic fibres and Plastics Tagged With: bakelite, melamine, plastics, polythene, polyvinyl chloride, teflon. The lesson covers the complete explanation of class 8 Chapter 3 Synthetic Fibres and Plastics.Topics covered are Introduction to fibres, kinds of fibres. 10. Chapter 17 Stars and The Solar System - Test, 8.03 Global Warming and Greenhouse Effect, 18.03 The Biogeochemical Cycles - Carbon Cycle and Greenhouse Effect, 18.4 The Oxygen cycle and The Ozone Layer, 18.04 The Oxygen Cycle and The Ozone Layer, 18.8 Pollution of Ganga River: A Case Study, 18.08 Pollution of Ganga River: A Case Study, 18.9 Purification of water and ways to reduce water pollution, 18.09 Purification of water and ways to reduce water pollution, Chapter 18 Pollution of Air and Water - Test. [10] MAINTENANCE. Plastics generally possess sufficient durability, provided they offer sufficient surface … Synthetic fibres are cheaper than natural fibre. Characteristic properties of plastics: 1. Hurry! Also, you may want to use our Plastic Material Selection Guide or Interactive Thermoplastics Triangle to assist with the material selection process based on your application requirements. To understand the properties of material explore the article! Answer: Protein Question 3. 9._____ can be recycled, reused, melted and rolled into sheets. CBSE Science Class 8. 11. See other topics from Chapter 3 Synthetic Fibres and Plastics, Biodegradable and Non-biodegradable material, Steps to save environment from plastic waste, NCERT Solutions for Class 10 हिन्दी – क्षितिज – Chapter 5 – उत्साह और अट नहीं रही है, NCERT Solutions for Class 10 हिन्दी – क्षितिज – Chapter 4 – आत्मकथ्य, NCERT Solutions for Class 10 हिन्दी – क्षितिज – Chapter 3 – सवैया, कवित्त – देव, NCERT Solutions for Class 10 हिन्दी – क्षितिज – Chapter 2 – राम लक्ष्मण परशुराम संवाद, NCERT Solutions for Class 10 हिन्दी – क्षितिज – Chapter 1 – पद. Name the basic component of animal fibres. , Rayon fibres, Polyester fibres and acrylic fibres have been explained etc! On plastics other Schools reading or download on this page synthetic Fibers plastics... Vary depending on physical properties, plastics are divided into two types: thermoplastic and thermoset plastics, have specific! 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