Those properties have enabled new ways of enhancing images of organs as well as tumours and other diseased tissues in the body. Polymer applications. 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. Polymers and properties of polymers are a chunky topic in the GCSE chemistry syllabus. GCSE BBC Science Bitesize - Blood Circulation by JamJarMMX. Natural polymers and synthetic polymers are the two major categories of polymers. Natural and Synthetic Polymers. Make sure you have watched the above videos and are familiar with the key definations before trying these questions. Read more. This is the key difference between natural and synthetic polymers. Free. £6.00. New directions in thermoresponsive polymers chemical society. Commons. 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. 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. Wikimedia Commons. Natural polymers include polymer compounds that can be found naturally in our environment. Loading... Save for later. Polymers. C 11.3 Natural polymers AQA GCSE Chemistry Chapter C11 Polymers Kerboodle Answer Page No 173 ... BBC Bitesize. Most polymers (plastics) are made from combining the element carbon with one or more other elements such as hydrogen, chlorine, fluorine or nitrogen. If you liked this story, sign up for the weekly bbc.com features newsletter, called “If You Only Read 6 Things This Week”. Unlike natural polymers, which are found in nature, synthetic polymers are made by humans. Higher and lower power points and lesson plans with resources for each. These products include bottles, pipes, plastic containers, insulated wires, … Do NOT follow suggestions which conflict with current advice from CLEAPSS, SSERC or other recent safety guides. Bbc bitesize gcse chemistry (single science) using materials. Com. This includes safe and reliable practical experiments, interactive simulations, games and problem solving activities They are derived from petroleum oil and include products such as nylon, synthetic rubbers, polyester, Teflon, polyethylene, and epoxy. Preview and details Files included (10) docx, 19 KB. ; Others contain two or more different … | stanford school of engineering. Created: Nov 8, 2016. docx, 19 KB. Resources and materials to support your teaching of chemistry to primary, secondary and higher education students. Polymers. 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 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. Modem … Year-8b-Polymers-TES- About this resource. These polymers are formed either by the process of addition polymerization or condensation polymerization. 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. Powerpoint slides for three lessons on Ceramics, Polymers and Composites to fit with the new KS3 national curriculum. Year-8a-Composites-TES. In science, the word plastic refers to a specific type of deformation. New materials are often used to replace older ones because the new material has superior properties. 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 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. Made for a mix of Year 8 groups. Synthetic polymers have a number of uses and are widely used in household products. Naturally occurring miscellaneous polymers, like, for instance, shellac, a resin secreted by the lac insect. docx, 19 KB. Info. Pupils can then try the ‘quiz time’ questions to test their plastic knowledge. Polymers are very large molecules which are built up by linking together 50 or more smaller molecules called monomers. Celluloid, the first synthetic plastic material, developed in the 1860s and 1870s from a homogeneous colloidal dispersion of nitrocellulose and camphor. L4-Polymers---Higher. Pixabay Question by Topic. If you liked this story, sign up for the weekly bbc.com features newsletter, called “The Essential List”. Naturally Occurring Molecules from plants and animals. Show all files. ; Each repeat unit is connected to the adjacent units via covalent bonds. Year-8-Ceramics-TES. Image Source: Wikipedia. Bbc bitesize gcse chemistry (single science) polymers. GCSE Science Revision - Photosynthesis by JamJarMMX. List of synthetic polymers wikipedia. Natural Polymers are those substances which are obtained naturally. 2 examples and applications of viscoelastic materials. L4-Polymers---Higher. How do you design a better polymer? Read more. pptx, 1 MB. L4-Polymers---Lower. Polymer. Water-absorbing polymers, which are classified as hydrogels when mixed, absorb aqueous solutions through hydrogen bonding with water molecules. View the BBC bitesize site and take a bite size test to see how much you know! Polymer | description, examples, & types | britannica. Natural polymers include such materials as silk, shellac, bitumen, rubber, and cellulose. This list of resources covers polymers at KS4. 6:35. The properties of the material depend on what the polymer is made from and its structure. Whilst this list provides a source of information and ideas for experimental work, it is important to note that recommendations can date very quickly. Flickr. 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.. What are some examples of polymers? Wikimedia . List of synthetic polymers wikipedia. Preview and details Files included (3) pptx, 2 MB. Info. But synthetic polymers are compounds made by humans that cannot be found naturally. KS3 Polymers for the new national curriculum. Polymer project. View the bitesize plastics page >> 3 minute plastics quiz! 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. Synthetic polymers uses | examples | polymer uses | tutorvista. To increase viscosity of water-based systems sometimes natural polymers are utilized such as polysaccharides,starch,xanthangum,guargum,carrageenan,alginates,pectines, gelatin,agaretc(3). The structure also includes some unsaturated long chain unsaturated aliphatic … Wikipedia. Our body too is made up of many natural polymers like nucleic acids, proteins, etc. Natural vs synthetic polymers gelfand center carnegie mellon. The process from crude oil: 1) During the refining of crude oil petrol, paraffin, lubricating oil and petrol are the bi-products. About this resource . The main source of synthetic plastic is crude oil, although coal and natural gas are also used. New configurations and applications of molecularly imprinted. 12. 9:34. Take it and see what you know in 3 minutes! and are typically low in viscosity. Below you will find revision materials for … Small Molecules like glucose ==> Natural Polymers = Macromolecules like starch Carbohydrates (this page), Proteins and Oils & Fats are the main nutrient constituents of food. For e.g., proteins constitute much of the animal body., nucleic acids control heredity at molecular level and cellulose provides food, clothing and shelter. Examples: Starch, cellulose, protein, silk, wool and natural rubber are some natural polymers. pptx, 3 MB. pptx, 1 MB. Bbc bitesize drama coursework for essay on winter season in kashmir. steinway and sons case study ; Zajda, j curriculum reconstruction in post secondary education italy and turkey, and the lozi western zambia. Other engineers (mechanical, civil, electrical, etc.) View the 3 miute test page >> What are plastics? You have to know about the uses of polymers as well as their chemical structures. Loading... Save for later. This is a complex crosslinked polyester of 9,10,16-trihydroxy-exadecanoic acid (aleuritic acid). ; Some polymers called homopolymers contain just one type of monomer unit. These polymers are found both naturally and synthetically made, and largely consist of ester, amide, and ether functional groups. The general public know polymers as plastics. View the bitesize plastics page >> 3 minute plastics quiz! Creative ideas are seen in a weak and strong constraints on action appear sizable. ; Examples of these include polythene and polychloroethene, comm only known as PVC. Feb 3, 2015 - Learn about organic compounds with Bitesize GCSE Chemistry (OCR Gateway). 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. Oct 5, 2015 - Learn about how different materials like ceramics, polymers and composites have different properties with BBC Bitesize KS3 Science. Producer TED SMITH A BBC/Open University production 1.20 Polymer Engineering A Cut Above the Rest? Polymers are extensively found in nature. Design and technology: Pupils can revise or learn about plastics including; natural, synthetic, thermosetting and thermoplastics. 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 . Natural Polymers These occur in nature in plants and animals and are very essential for life. 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. Plastics are the most widely used material in commercial production. Superabsorbent polymer (SAP) (also called slush powder) can absorb and retain extremely large amounts of a liquid relative to its own mass. This is where the polymers are added to thicken and in many cases gel the formulation. 10. Polymers produce a very wide range of materials with many uses. Natural polymers such as starch, xanthan or guar gum, carrageenan, alginates, polysaccharides, pectin, gelatin, agar, and cellulose derivatives can be used for this purpose. A fantastic quiz by Warrren Design and Technology. A SAP's ability to absorb water depends on the ionic concentration of the aqueous solution. Up for the weekly bbc.com features newsletter, called “ the essential ”. 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