Bbc bitesize gcse chemistry (single science) polymers. Celluloid, the first synthetic plastic material, developed in the 1860s and 1870s from a homogeneous colloidal dispersion of nitrocellulose and camphor. The main source of synthetic plastic is crude oil, although coal and natural gas are also used. A SAP's ability to absorb water depends on the ionic concentration of the aqueous solution. The properties of the material depend on what the polymer is made from and its structure. Polymers and properties of polymers are a chunky topic in the GCSE chemistry syllabus. Biodegradable polymers are a special class of polymer that breaks down after its intended purpose by bacterial decomposition process to result in natural byproducts such as gases (CO 2, N 2), water, biomass, and inorganic salts. A fantastic quiz by Warrren Design and Technology. Polymers produce a very wide range of materials with many uses. Nanoparticle - Nanoparticle - Nanoparticle applications in medicine: The small size of nanoparticles is especially advantageous in medicine; nanoparticles can not only circulate widely throughout the body but also enter cells or be designed to bind to specific cells. Natural polymers include such materials as silk, shellac, bitumen, rubber, and cellulose. Natural and Synthetic Polymers. How do you design a better polymer? Synthetic polymers uses | examples | polymer uses | tutorvista. Bbc bitesize drama coursework for essay on winter season in kashmir. Superabsorbent polymer (SAP) (also called slush powder) can absorb and retain extremely large amounts of a liquid relative to its own mass. £6.00. What are some examples of polymers? But synthetic polymers are compounds made by humans that cannot be found naturally. KS3 Polymers for the new national curriculum. About this resource . Polymer applications. A tough, flexible, and moldable material that is resistant to water, oils, and dilute acids and capable of low-cost production in a variety of Created: Nov 8, 2016. docx, 19 KB. This includes safe and reliable practical experiments, interactive simulations, games and problem solving activities Com. For example, corn starch – the same polymer a cook uses to make gravy – is often used, along with similar starches and gums, as a thickener in personal care products. Pixabay Question by Topic. Feb 3, 2015 - Learn about organic compounds with Bitesize GCSE Chemistry (OCR Gateway). Make sure you have watched the above videos and are familiar with the key definations before trying these questions. List of synthetic polymers wikipedia. L4-Polymers---Higher. Free. Read more. View the 3 miute test page >> What are plastics? Loading... Save for later. They are derived from petroleum oil and include products such as nylon, synthetic rubbers, polyester, Teflon, polyethylene, and epoxy. pptx, 1 MB. Self‐healing polymers are a new class of smart materials that have the capability to repair themselves when they are damaged without the need for detection or repair by manual intervention of any kind. Naturally occurring miscellaneous polymers, like, for instance, shellac, a resin secreted by the lac insect. 6.55 The Natural History Museum ... A BBC/Open University production 12.55 Physics Demonstrations for Schools 1: Mechanics -A Visit to the Circus The basic laws of mechanics are shown in action - simple trajectories in a juggling act, and angular momentum in a high-wire act. Preview and details Files included (3) pptx, 2 MB. This is a complex crosslinked polyester of 9,10,16-trihydroxy-exadecanoic acid (aleuritic acid). 9:34. These products include bottles, pipes, plastic containers, insulated wires, … ; Each repeat unit is connected to the adjacent units via covalent bonds. Powerpoint slides for three lessons on Ceramics, Polymers and Composites to fit with the new KS3 national curriculum. Natural Polymers These occur in nature in plants and animals and are very essential for life. 2 examples and applications of viscoelastic materials. 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. Other engineers (mechanical, civil, electrical, etc.) BBC Bitesize - GCSE Biology - Natural selection and selective breeding - Activity From www .bbc .co .uk - April 25, 2015 9:08 AM dc:description from xml asset 10. 6:35. Useful Links provided by BBC BITESIZE Each module has number of links most of which offer free revision with a related mini test which it marks online. Wikimedia . This list of resources covers polymers at KS4. Do NOT follow suggestions which conflict with current advice from CLEAPSS, SSERC or other recent safety guides. Polymer | description, examples, & types | britannica. Material sourced from BBC Bitesize Revision Website National 5 Chemistry Unit 3 Chemistry In Society Topic Page 1 – Polymers 1 Minitest 6 2 – Nuclear Chemistry 7 Minitest 10 3 – Metals 11 Minitest 21 4 – Fertilisers 22 Minitest 25 . Synthetic polymers have a number of uses and are widely used in household products. Oct 5, 2015 - Learn about how different materials like ceramics, polymers and composites have different properties with BBC Bitesize KS3 Science. GCSE Science Revision - Photosynthesis by JamJarMMX. For e.g., proteins constitute much of the animal body., nucleic acids control heredity at molecular level and cellulose provides food, clothing and shelter. Below you will find revision materials for … | stanford school of engineering. Preview and details Files included (10) docx, 19 KB. Naturally Occurring Molecules from plants and animals. Natural polymers and synthetic polymers are the two major categories of polymers. Unlike natural polymers, which are found in nature, synthetic polymers are made by humans. Natural polymers such as starch, xanthan or guar gum, carrageenan, alginates, polysaccharides, pectin, gelatin, agar, and cellulose derivatives can be used for this purpose. New directions in thermoresponsive polymers chemical society. 12. pptx, 3 MB. Modem … Plastics are the most widely used material in commercial production. The structure also includes some unsaturated long chain unsaturated aliphatic … Natural vs synthetic polymers gelfand center carnegie mellon. pptx, 1 MB. Small Molecules like glucose ==> Natural Polymers = Macromolecules like starch Carbohydrates (this page), Proteins and Oils & Fats are the main nutrient constituents of food. Whilst this list provides a source of information and ideas for experimental work, it is important to note that recommendations can date very quickly. ; Some polymers called homopolymers contain just one type of monomer unit. Polymer project. ; Examples of these include polythene and polychloroethene, comm only known as PVC. View the bitesize plastics page >> 3 minute plastics quiz! Natural polymers include polymer compounds that can be found naturally in our environment. New configurations and applications of molecularly imprinted. New materials are often used to replace older ones because the new material has superior properties. Producer TED SMITH A BBC/Open University production 1.20 Polymer Engineering A Cut Above the Rest? You have to know about the uses of polymers as well as their chemical structures. docx, 19 KB. L4-Polymers---Lower. BBC Bitesize plastics page View the BBC bitesize site and take a bite size test to see how much you know! Created: Feb 5, 2015. steinway and sons case study ; Zajda, j curriculum reconstruction in post secondary education italy and turkey, and the lozi western zambia. Show all files. Flickr. These polymers are formed either by the process of addition polymerization or condensation polymerization. Year-8-Ceramics-TES. Design and technology: Pupils can revise or learn about plastics including; natural, synthetic, thermosetting and thermoplastics. Most polymers (plastics) are made from combining the element carbon with one or more other elements such as hydrogen, chlorine, fluorine or nitrogen. Wikipedia. Natural Polymers are those substances which are obtained naturally. Polymers. This is the key difference between natural and synthetic polymers. Image Source: Wikipedia. Loading... Save for later. Polymer. To increase viscosity of water-based systems sometimes natural polymers are utilized such as polysaccharides,starch,xanthangum,guargum,carrageenan,alginates,pectines, gelatin,agaretc(3). Higher and lower power points and lesson plans with resources for each. and are typically low in viscosity. Year-8a-Composites-TES. If you liked this story, sign up for the weekly bbc.com features newsletter, called “The Essential List”. The process from crude oil: 1) During the refining of crude oil petrol, paraffin, lubricating oil and petrol are the bi-products. GCSE BBC Science Bitesize - Blood Circulation by JamJarMMX. If you liked this story, sign up for the weekly bbc.com features newsletter, called “If You Only Read 6 Things This Week”. Polymers are very large molecules which are built up by linking together 50 or more smaller molecules called monomers. Artificial kidney is often a synonym for hemodialysis, but may also, refer to renal replacement therapies (with exclusion of kidney transplantation) that are in use and/or in development.This article deals with bioengineered kidneys/bioartificial kidneys that are grown from renal cell lines/renal tissue.. These polymers are found both naturally and synthetically made, and largely consist of ester, amide, and ether functional groups. L4-Polymers---Higher. Pupils can then try the ‘quiz time’ questions to test their plastic knowledge. However, the majority of polymers or plastics used for engineering design are synthetic and often they are specifically formulated or “designed” by chemists or chemical engineers to serve a specific purpose. This is where the polymers are added to thicken and in many cases gel the formulation. View the BBC bitesize site and take a bite size test to see how much you know! View the bitesize plastics page >> 3 minute plastics quiz! In science, the word plastic refers to a specific type of deformation. Year-8b-Polymers-TES- About this resource. ; Others contain two or more different … The general public know polymers as plastics. Polymers. Resources and materials to support your teaching of chemistry to primary, secondary and higher education students. Info. Wikimedia Commons. Those properties have enabled new ways of enhancing images of organs as well as tumours and other diseased tissues in the body. List of synthetic polymers wikipedia. Polymers are extensively found in nature. Our body too is made up of many natural polymers like nucleic acids, proteins, etc. Water-absorbing polymers, which are classified as hydrogels when mixed, absorb aqueous solutions through hydrogen bonding with water molecules. Commons. Creative ideas are seen in a weak and strong constraints on action appear sizable. Bbc bitesize gcse chemistry (single science) using materials. Read more. C 11.3 Natural polymers AQA GCSE Chemistry Chapter C11 Polymers Kerboodle Answer Page No 173 ... BBC Bitesize. Examples: Starch, cellulose, protein, silk, wool and natural rubber are some natural polymers. Made for a mix of Year 8 groups. Take it and see what you know in 3 minutes! Info. Plastic refers to a specific type of deformation mechanical, civil, electrical, etc. often to! Quiz time ’ questions to test their plastic knowledge ; some polymers homopolymers... 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