To help you get even better grades ive written a lot of e books, packed full of loads of excellent questions to help you study. This lesson introduces students to polymers, their properties, and some of the many ways polymers. Useful comparison tables which can be supplied as handouts. Gcse science chemistry 91 triple thermosoftening and. They have different physical properties, which make them suitable for different uses. This lesson pack includes a powerpoint presentation with integrated activities, a properties of polymers worksheet, four mini practicals on polymer worms, hydrogels in disposable nappies and hair gel and also making pva and borax slime. Elastomers are rubbers or rubberlike elastic materials. Chemical bonding, application of chemical reactions and organic chemistry. Aqa gcse sciences student book answers separate sciences. The book is available in printed paperback format, or as a digital subscription edition.
Occasionally, due to the nature of some contractual restrictions, we are unable to ship to some territories. Resists weather well, can be cut, folded and polished well. Physical properties of polymers handbook brings together the work of experts from different disciplines who are contributing to the growing area of polymers and complex materials. The powerpoints were relevant, linked directly to the text book and were clear to. Mechanical properties of polymers and composites, second edition robert f. The identity and amount of the reagent used to crosslink the polymer chains. In this unit, the sources, origins and properties of polymers are covered in the first lesson, along with the processes of fractional distillation and cracking. Gcse chemistry what are the properties of polymers. Polymers have properties that depend on the chemicals they are made from and the conditions in which they are made. A set of resources to help you introduce polymers as part of the gcse aqa chemistry bonding, structure and properties of matter topic. You have to know about the uses of polymers as well as their chemical structures. Thousands of english, maths, science gcse revision activities created by teachers accelerate your childs learning with our learn, practise and test approach. Learn about the properties of polymers and how they can be used with bbc bitesize gcse chemistry. Goretex has all these properties but allows water vapour to pass out so that sweat does not condense.
Most technical people in these industries feel a need for greater understanding of these relationships. Our core activities are designed to develop the skills theyre learning in school to build your childs confidence. I was predicted 5s and came out as the most improved student in my school year. Jul 28, 2017 buy aqa gcse 91 design and technology. I got an 8 in both physics and biology and a 7 in chemistry. Thermoforming polymer physical properties working properties. Materials are chosen based on factors including working properties, aesthetics, environmental impact, function, manufacturing processes etc. Physical properties of polymers include molecular weight, molar volume, density, degree of polymerization, crystallinity of material, and so on.
Polymers material categories and properties aqa gcse. Polymers range from familiar synthetic plastic such as polystyrene to natural biopolymers such as dna and proteins that are fundamental to biological structure and function. This covers schoolbased processes, fixings and production techniques. You have to know about the uses of polymers as well as their chemical. Jan 01, 2016 summary video on polymers for gcse chemistry. Gcse is the qualification taken by 15 and 16 year olds to mark their graduation from the key stage 4 phase of secondary education in england, northern ireland and wales.
The reagent used to initiate the polymerization reaction. The resource will also be useful to students enrolled other technical courses including engineering. Polymers gcse science grade 7, 8 and 9 booster questions. How are clay ceramics, like the ones pictured below, made.
Timber, metalbased materials and polymers by williams, bryan, attwood, louise, treuherz, pauline, larby, dave, fawcett, ian, hughes, dan isbn. Everyday low prices and free delivery on eligible orders. The table below shows the properties and uses of some polymers. Cotton tshirts and plastic spoons do not have much in common with. In this unit, the sources, origins and properties of polymers are covered in the. One of a series of classroom teaching resources for students, addressing the relevant content of all four awarding organisations design and technology gcse specifications. Synthesis of an acrylatebased liquid crystal polymer 217 3. Metals have many properties but some are prone to corrosion. Complete the following sentences using the words in the boxes. This text, now in its second edition, offers an uptodate, expanded treatment of the behaviour of polymers with regard to material variables and test and use conditions. The book provides comprehensive, uptodate information on the physical properties of polymers including, viscoelasticity, flammability, miscibility, optical properties, surface properties and more.
Thermosoftening and thermosetting polymers gcse science. An exciting lesson pack to help you introduce polymers as part of the gcse aqa chemistry bonding, structure and properties of matter topic. Properties and behavior of polymers, 2 volume set polymer. Please comment if you have any questions, and subscribe if you. The relationships between polymer structure, properties, and applications are of obvious importance to chemists and engineers working in the polymer industries plastics, rubber, fibers, coatings, and adhesives. What are the properties of polymers the properties of a polymer or any other material include strength, stiffness, hardness, density and melting point the properties of a polymer can be changed in a number of ways 1. Natural polymers, also called biopolymers, are naturally occurring materials, formed during the life cycles of green plants, animals, bacteria, and fungi.
From monomers to polymers in the process of polymerisation is where this topic usually begins, before other aspects such as thermosoftening and thermosetting polymers are covered. In this video, we look at how the properties of polymers can depend. This series of interactive science books covers the complete gcse science a. It highlights general principles, useful empirical rules and practical equationsdetailing the specific behaviour of many common polymers, the text. Polymers have properties that depend on what they are made from and the conditions. Gcse chemistry revision worksheets polymers and polymerisation. Polymers are huge molecules that are encountered in nature as well as in our modern technology. Generally, polypeptides and polysaccharides are used as drug carriers in anticancer. Physical properties of polymers textile study center. The type of polymerization mechanism used depends on the type of functional groups attached to the reactants. Free polymer chemistry books download ebooks online textbooks. The properties of a polymer can be changed in a number of ways. Thousands of gcse english, maths and science activities. Cross linking chain length a polymer molecule is a long chain of mainly carbon atoms.
Gcse design and technology textbooks print and digital many educational books and digital resources are published each year to support qualifications. Chemists have also learned to synthesize new polymers from simple chemicals, creating a vast array of plastics and synthetic fibers. New materials are often used to replace older ones because the new material has superior properties. Resources design and technology gcse aqa unit 5d polymers. Thermoplastic polymers are hard at room temperature, but on heating become soft and more or less fluid and can be molded. The properties of the material depend on what the polymer is made from and its structure. Polymers are all created by the process of polymerization wherein their constituent elements called monomers, are reacted together to form polymer chains i. Targeted towards aqa c1 topic 5 but suitable for edexcel and other exam boards too. From the standpoint of general physical properties, we usually recog nize three types of solid polymers.
Free polymer chemistry books download ebooks online. Acrylic pmma hard, brittle, shiny, available in a wide range of colours. To help you find the right resource for your students, we work with publishers to ensure that their textbooks. The contents of the book have been conveniently divided into two general parts, physical states of polymers and characterization techniques. Nylon is tough, lightweight and keeps water and uv out. Pupils are then given some information about highdensity polyethene and lowdensity polyethene, they will need to use this information to complete a worksheet of questions. Students will firstly be given a recap on the definition of a polymer and an explanation of the factors which can affect the properties of a polymer.
Lesson two concentrates on working with polymers in school environments. I got a 99 in my combined science results today and all the credit goes to your videos. My gcse science premium video tutorials, examstyle. Nylon and goretex are polymers with suitable properties for particular uses. Gcse design and technology textbooks print and digital. Glass made from and, melts at temperatures than glass. Polymers range from familiar synthetic plastic such as polystyrene to natural bio polymers such as dna and proteins that are fundamental to biological structure and function. Materials include glass and clay ceramics, polymers, metals and composite materials. Polymers using materials aqa gcse chemistry single. Materials and their properties polymers, gcse classroom. New aqa gcse 2016 chemistry the properties of polymers. May 04, 2016 polymers gcse science grade 7, 8 and 9 booster questions.
To help you find the right resource for your students, we work with publishers to ensure that their textbooks align with our specifications using our approval process. They have similar chemical properties which show a gradual change from. Can anyone recommend a good introductory polymer book. Edexcel international gcse chemistry student book second edition 9781510405202. Price and stock details listed on this site are as accurate as possible, and subject to change. Polymers produce a very wide range of materials with many uses. Macroscopic peoperties and molecular interpretations by j. Starting from microstructure and physical properties, the book covers the mechanical, chemical and electrical properties of plastic materials, and also deals in detail with wider plastics issues that todays engineers and materials scientists need such as. Sep 16, 2019 students will firstly be given a recap on the definition of a polymer and an explanation of the factors which can affect the properties of a polymer. The third edition of this well known textbook discusses the diverse physical states and associated properties of polymeric materials.
Resources design and technology gcse aqa gcse design. Polymers have many inherent properties that can be further enhanced by a wide range of additives to broaden their uses and applications. Now in its third edition, plastics is the key text for senior students studying the science and engineering of plastic materials. In science, the word plastic refers to a specific type of deformation. Properties of polymers, fourth edition incorporates the latest developments in the field while maintaining the core objectives of previous editions.
Download answers to the practice and summary questions in your aqa gcse sciences 91 biology, chemistry and physics student books. Polymers are materials with a seemingly limitless range of characteristics and colors. Their numerical estimation and prediction from additive group contributions summarizes the latest developments regarding polymers, their properties in relation to chemical structure, and methods for estimating and predicting numerical properties from chemical structure. Polymers and the environment, emulsion polymerization, polymer science approach to physicochemical characterization and processing of pulse seeds, polymer characterization with the atomic force microscope, nonconventional method of polymer patterning, the properties and application of carbon nanostructures, electrokinetic potential. Containing carefully selected reprints from the wileys renowned encyclopedia of polymer science and technology, this reference features the same breadth and quality of coverage and clarity of. Key features extensive updates and revisions to each chapter, including eleven new chapters on novel polymeric structures, reinforcing phases in polymers, and. Looking for the practice and summary question answers for the combined science.
Most polymers plastics are made from combining the element carbon with one or more other elements such as hydrogen, chlorine, fluorine or nitrogen. Polymers can be made to mimic cotton, silk, and wool fibers. Lesson slides to teach aqa properties of polymers aqa 2. The following variables can be controlled when producing a polymer. Polymers and properties of polymers are a chunky topic in the gcse chemistry syllabus. The monomer polymerized or the monomers copolymerized.
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