9:34. 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. GCSE BBC Science Bitesize - Blood Circulation by JamJarMMX. The main source of synthetic plastic is crude oil, although coal and natural gas are also used. £6.00. Design and technology: Pupils can revise or learn about plastics including; natural, synthetic, thermosetting and thermoplastics. Polymers. Powerpoint slides for three lessons on Ceramics, Polymers and Composites to fit with the new KS3 national curriculum. 6:35. ; Examples of these include polythene and polychloroethene, comm only known as PVC. 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.. View the bitesize plastics page >> 3 minute plastics quiz! The properties of the material depend on what the polymer is made from and its structure. Polymers are very large molecules which are built up by linking together 50 or more smaller molecules called monomers. Info. This includes safe and reliable practical experiments, interactive simulations, games and problem solving activities How do you design a better polymer? A SAP's ability to absorb water depends on the ionic concentration of the aqueous solution. 10. They are derived from petroleum oil and include products such as nylon, synthetic rubbers, polyester, Teflon, polyethylene, and epoxy. Show all files. Polymer. 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 are those substances which are obtained naturally. 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. 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 Those properties have enabled new ways of enhancing images of organs as well as tumours and other diseased tissues in the body. Natural polymers include such materials as silk, shellac, bitumen, rubber, and cellulose. Free. Info. Com. This list of resources covers polymers at KS4. 2 examples and applications of viscoelastic materials. Made for a mix of Year 8 groups. Whilst this list provides a source of information and ideas for experimental work, it is important to note that recommendations can date very quickly. 12. Bbc bitesize gcse chemistry (single science) polymers. If you liked this story, sign up for the weekly bbc.com features newsletter, called “If You Only Read 6 Things This Week”. pptx, 1 MB. docx, 19 KB. But synthetic polymers are compounds made by humans that cannot be found naturally. Polymer applications. Make sure you have watched the above videos and are familiar with the key definations before trying these questions. Commons. 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 Flickr. Feb 3, 2015 - Learn about organic compounds with Bitesize GCSE Chemistry (OCR Gateway). 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. Pupils can then try the ‘quiz time’ questions to test their plastic knowledge. New directions in thermoresponsive polymers chemical society. pptx, 3 MB. Polymers are extensively found in nature. Natural vs synthetic polymers gelfand center carnegie mellon. Polymer | description, examples, & types | britannica. ; Each repeat unit is connected to the adjacent units via covalent bonds. Natural Polymers These occur in nature in plants and animals and are very essential for life. Producer TED SMITH A BBC/Open University production 1.20 Polymer Engineering A Cut Above the Rest? Created: Nov 8, 2016. docx, 19 KB. Small Molecules like glucose ==> Natural Polymers = Macromolecules like starch Carbohydrates (this page), Proteins and Oils & Fats are the main nutrient constituents of food. This is a complex crosslinked polyester of 9,10,16-trihydroxy-exadecanoic acid (aleuritic acid). Bbc bitesize gcse chemistry (single science) using materials. Unlike natural polymers, which are found in nature, synthetic polymers are made by humans. Polymers and properties of polymers are a chunky topic in the GCSE chemistry syllabus. Preview and details Files included (3) pptx, 2 MB. L4-Polymers---Higher. Year-8a-Composites-TES. These polymers are found both naturally and synthetically made, and largely consist of ester, amide, and ether functional groups. Natural polymers such as starch, xanthan or guar gum, carrageenan, alginates, polysaccharides, pectin, gelatin, agar, and cellulose derivatives can be used for this purpose. Wikipedia. Take it and see what you know in 3 minutes! Higher and lower power points and lesson plans with resources for each. pptx, 1 MB. View the bitesize plastics page >> 3 minute plastics quiz! C 11.3 Natural polymers AQA GCSE Chemistry Chapter C11 Polymers Kerboodle Answer Page No 173 ... BBC Bitesize. Year-8-Ceramics-TES. The general public know polymers as plastics. Pixabay Question by Topic. Naturally Occurring Molecules from plants and animals. 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. Water-absorbing polymers, which are classified as hydrogels when mixed, absorb aqueous solutions through hydrogen bonding with water molecules. Examples: Starch, cellulose, protein, silk, wool and natural rubber are some natural polymers. 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. L4-Polymers---Higher. Natural and Synthetic Polymers. Created: Feb 5, 2015. ; Some polymers called homopolymers contain just one type of monomer unit. Our body too is made up of many natural polymers like nucleic acids, proteins, etc. Resources and materials to support your teaching of chemistry to primary, secondary and higher education students. The process from crude oil: 1) During the refining of crude oil petrol, paraffin, lubricating oil and petrol are the bi-products. 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. Natural polymers and synthetic polymers are the two major categories of polymers. steinway and sons case study ; Zajda, j curriculum reconstruction in post secondary education italy and turkey, and the lozi western zambia. GCSE Science Revision - Photosynthesis by JamJarMMX. In science, the word plastic refers to a specific type of deformation. View the 3 miute test page >> What are plastics? ; Others contain two or more different … | stanford school of engineering. 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