This specification is published on the aqa website. Smart materials are defined as materials that sense and react to environmental conditions or stimuli e. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. This means that a greater force is required for the layers to slide over each other. Nickeltitanium smart alloys are the most successful but the most expensive. Science of smart alloys pack b8r02328 hope education.
The figures given for percentages of elements in an alloy are for guidance only, as any particular alloy may be designed for a. Did you know that everything is made out of chemicals. Properties, composition, and production of metal alloys. Written by experienced authors, the engaging, international approach ensures a thorough understanding of the underlying principles of physics and provides examfocused practice to build assessment. Doc browns chemistry revision notes smart materials and materials science.
C2 chemical resources 1 flashcards in gcse chemistry. Igcse complete chemistry notes refined and cleared by kmq. In this video, we look at the properties of metals and of alloys. Edexcel gcse in chemistry 2ch01 accredited specification booklet this booklet provides. What is an alloy an alloy is a mixture of metals that has different improved properties from the metal elements that make it.
Metals have a regular arrangement of closely packed positive ions surrounded by a sea of mobile valence electrons. Written to match all major gcse specifications the text covers all types of numerical questions from first principles. Shape memory alloys are mixtures of metals that return to their original shape when heated, similar to shape memory polymers. Smart alloys links revision quizzes revision questions the periodic table index metal quiz. Many of the gcse specifications refer to the use of smart alloys and shape memory alloys. Smart materials are the basis of many applications, including sensors and. Smart alloys a smart alloy is a smart material that can remember its original shape. Combined and triple award science revision list for aqa gcse chemistry c2 core science 91 specification.
Gcse chemistry single science edexcel bbc bitesize. Classroom resources for teaching key stage 3, key stage 4 and gcse in england, wales and northern ireland, and at 3rd level, 4th level, national 4 and 5. Alloys metals and alloys aqa gcse chemistry single. Ferroalloys such as ferrochromium and ferrosilicon, for instance, are produced by smelting mixed ores and are used in the production of various steels. Home gcse study tools chemistry c2 chemical resources 1 c2 chemical resources 1 this is half of the eight topics in c2. The alloy is harder and stronger than the pure metal. Metallic elements and alloys have many uses in our society. Covering all gcse specifications, this tried and tested series has been fully updated to match the 91 gcse chemistry specifications for first examination in 2018, as. Introduction to some smart materials including shape memory alloys, nanotubes, quantum dots, piezoelectric and smart liquids. See more ideas about gcse chemistry, gcse science and chemistry.
There are many practical activities that can be done with the alloys and are described in the accompanying sep. The igcse bookshop find the igcse books you need at. Smart materials, called also intelligent or responsive materials, are designed materials that have one or more properties that can be significantly changed in a controlled fashion by external stimuli, such as stress, moisture, electric or magnetic fields, light, temperature, ph, or chemical compounds. Gcse alloys revise the properties of multiple metals. Shape memory alloys smas are metallic alloy materials in which deformation change in shape can be induced and recovered through temperature changes or stress changes. Nov 22, 2017 a complete lesson including powerpoint and worksheet resources on alloys. Ship them straight to your home or dorm, or buy online and pick up in store. The revision list is also relevant to ocr gcse chemistry. Buy aqa gcse chemistry student book 3 by ryan, lawrie, ryan, lawrie isbn. Slides are clear, easy to follow and encourage lots of short tasks and quick questions to test understanding. Nov 28, 2016 made for the new aqa gcse chemistry course to be examined summer 2018. Rusting can be prevented by keeping oxygen and water away, and by sacrificial protection. Try these activities to help design your lessons on smart materials.
There are many practical activities that can be done with the alloys and are described in the accompanying sep booklet. Gcse metals revise the properties of their mix in alloys. We will let centres know in writing about any changes to the specification. Alloys to include steel, brass, bronze, solder, duralumin. Revise their properties by playing this aqa syllabus a quiz. Yet, one would be mistaken to think that alloying metals is a simple process. The technical name for a smart alloy is a shape memory alloy sma examples of this type of alloy are nickeltitanium copperzincaluminium and copperaluminiumnickel when a smart alloy is bent or twisted called deforming it keeps its new shape until it is heated. Alloys are mixtures of metals with improved properties.
Including temperature, moisture, ph and electrical and magnetic fields. It is aimed at students likely to achieve grades from a to b, and written in a way that wouldnt cause problems for students going on to do chemistry at a higher level. Dec 07, 2016 gcse science chemistry 91 diamond and silicon dioxide. Chapters in part one focus on types of polymers, including temperature, ph, photo, and enzymeresponsive polymers. For each topic, a concise treatment of the underlying theory is followed by problems grouped into three sections of. Free download complete chemistry for cambridge igcse. May 26, 2016 buy aqa gcse chemistry student book 3 by ryan, lawrie, ryan, lawrie isbn. Ferro alloys such as ferrochromium and ferrosilicon, for instance, are produced by smelting mixed ores and are used in the production of various steels. Alloys metals and corrosion ocr gateway gcse chemistry. When the temperature is raised above a certain level the alloy returns to its original shape.
Examples of this type of alloy are nickeltitanium copperzincaluminium and copperaluminiumnickel. Most pre16 chemistry courses only have a very small section on smart. This item examines how metals are extracted from their ores. As particles move they collide with each other and bounce off in all directions.
Complete chemistry for cambridge igcse is very well written and updated book for o level and igcse chemistry syllabus. Aug 17, 2019 the definition of an alloy, as the term is used in chemistry, physics, and engineering. This is the first of our gcse chemistry quizzes on the topic of metals. In the chemistry section of gcse science, year 10 and year 11 students look at building materials. May 26, 2016 aqa gcse chemistry student book lawrie ryan on. Again, this type of smart material could be used in sporting equipment and car bodies, as well as certain medical applications, such as surgical plates for joining bone fractures. A smart alloy is a smart material that can remember its original shape. This pack contains a variety of smart alloys including a twoway memory spring, smart spring, smart wire, memory wire, superelastic wire and wire holders for securing the materials. Offer15% edexcel international gcse 91 chemistry student book. Gcse science chemistry 91 diamond and silicon dioxide.
Although they have some incredible properties, metals on their own arent always suitable materials for us to use. An alloy is a mixture of elements, including at least one metal. Aqa gcse chemistry c2 91 revision chemical resources aqa ocr. Properties of metals and the relation to its structure. A complete lesson including powerpoint and worksheet resources on alloys. When a smart alloy is bent or twisted called deforming it keeps its new shape until it. Materials revision booklet 2017 resistant materials wchs. Smart materials nanoscience and smart materials gcse. Shape memory alloy wire and thermocolour film, both of which respond to temperature changes.
When a smart alloy is bent or twisted called deforming it keeps its new shape until it is heated. Complete chemistry for cambridge igcse 2nd edition is written by rosemarie gallagher and paul ingram. Smart materials gcse chemistry single science revision wjec. Shape memory alloys are used as triggers to start the sprinklers in fire alarm. Oxford cambridge and rsa examinations gcse chemistry a unit a17202. It also describes some of the uses of some important alloys including smart alloys. Knowledge of the composition of specific alloys is not required.
Smart alloys belong to a group of metals that are being developed to meet the demands of modern engineering and manufacturing. Revise your knowledge in this quiz for year 10 and year 11 students. Gcse chemistry alloys complete lesson teaching resources. In it we will find out about some of the properties and uses of alloys, the metals formed by mixing two or more usually metallic elements. Aqa gcse chemistry c2 91 revision chemical resources. The smaller or bigger atoms distort the layers of atoms in the pure metal. One aspect of this is alloys, the combinations of metallic elements. The technical name for a smart alloy is a shape memory alloy sma. The definition of an alloy, as the term is used in chemistry, physics, and engineering. We then explore the alloys bronze and brass and then look at alloys of gold, steel and aluminium.
Materials revision booklet 2017 resistant materials wchs year 11. This material roughly covers a firstyear high school or college course, and a good understanding of algebra is helpful. Chemistry gcse pocket poster revision guides are colourful and engaging books. The longman gcse book was written to cover the chemistry content of all the uk gcse chemistry syllabuses at the time 2002. This fully revised edition is in line with the revised 2002 national curriculum requirements and focuses on quantitative chemistry in science. This pack contains a variety of smart alloys including a twoway.
These mixtures are used in everyday items, like coins, because of their properties. Oxford cambridge and rsa examinations gcse chemistry a unit a17101. Everyday low prices and free delivery on eligible orders. If youre seeing this message, it means were having trouble loading external resources on. Gcse chemistry smart alloys titanium nickel nitinol.
The crystal chemistry and physics of metals and alloys. If you are a seller for this product, would you like to suggest updates through seller support. Deliberate thought by kevin macleod is licensed under a creative commons attribution licence. Ocr oxford cambridge and rsa is a leading uk awarding body, providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. It is aimed at students likely to achieve grades from a to b, and written in a way that wouldnt cause problems for students going on to do chemistry at a. A shapememory alloy is an alloy that can be deformed when cold but returns to its predeformed remembered shape when heated. An alloy is a mixture or metallic solid solution composed of two or more elements.
Science of smart alloys pack e8r02328 findel international. Smart materials and structuresbriefly expressedare materials and structures with builtin sensing andor actuation functions, which contain sensors and actuators linked via a. The crystal chemistry and physics of metals and alloys wiley. Gcse 91 chemistry notes and quizzes gcse 91 physics notes. Jan 02, 2018 we then explore the alloys bronze and brass and then look at alloys of gold, steel and aluminium. One major disadvantage of many ferrous metals is that they rust and therefore protective coatings need to be added, such as paint, galvanising. Classroom resources for teaching key stage 3, key stage 4 and gcse in england, wales and northern ireland, and at 3rd level, 4th level, national 4 and 5 in scotland. Some metal alloys occur naturally and require little processing to be converted into industrialgrade materials. Modules c4, c5, c6 higher tier general certificate of secondary education mark scheme for june 2016. Gcse science chemistry 91 metals and alloys youtube. Stainless steel is one form of a ferrous alloy that is widely available and has anticorrosion.
This website and its content is subject to our terms and conditions. Science of smart alloys pack b8r02328 philip harris. Atoms in a metal are packed tightly in layers and held by strong metallic bonds. The only textbook that completely covers the oxford aqa international gcse physics specification 9203, for first teaching in september 2016. Smart polymers are polymers that respond to different stimuli or changes in the environment. Smart polymers and their applications sciencedirect. Modules c1, c2, c3 foundation tier general certificate of secondary education mark scheme for june 2016. The igcse bookshop find the igcse books you need at great.
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