Properties of metals and the relation to its structure. The other elements add a desired quality to the steel, such as hardness or tensile strength. Smart alloys a smart alloy is a smart material that can remember its original shape. Shape memory alloys sma or smart metal can return to their original shape after being deformed. Gcse chemistry smart art aqa box art making out art projects pencil classic graphite. An alloy is a mixture or metallic solid solution composed of two or more elements.
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. An alloy is an amalgamtion 2 or more materials physically joined together of two or more. Smart materials are the basis of many applications, including sensors and actuators, or. The different sized atoms of the metals distort the layers in the structure, making it more difficult for them to slide over each other and so make alloys harder than pure metals. Ocr oxford cambridge and rsa is a leading uk awarding body, providing a wide range of qualifications to meet the needs.
Aqa gcse science chemistry c1 summary notes page 2 of 32 contents. Group 1 elements form alkaline solutions when they react with water, which is why they are called alkali metals. Metallic elements and alloys have many uses in our society. Produced for the technology enhancement programme tep, this book contains a comprehensive selection of useful descriptions. Science of smart alloys pack e8r02328 findel international. The topic of hydrogen in an on metals and alloys is important in a number ofdisciplines including solidstate physics, materials science, physical chemistry, and energy technology. See more ideas about aqa, gcse chemistry and chemistry. The harder the lead, the harder the tip, the finer the drawn line. Slides are clear, easy to follow and encourage lots of short tasks and quick questions to test understanding. Science of smart alloys pack b8r02328 hope education. Try these activities to help design your lessons on smart materials. Everyday low prices and free delivery on eligible orders. It is corrosion resistant and is used for water taps, musical instruments, electrical connections, ornamental objects, screws and fixtures bronze is an alloy of copper 90% and tin 10%.
Smart materials and structuresbriefly expressedare materials and structures with builtin sensing andor actuation functions, which contain sensors and actuators linked via a. The book, itself, was in excellent condition and worth every penny and more, of what i paid. Smart materials are materials that have properties which change reversibly, ie can change easily but can then easily change back, depending on changes in their surroundings. Metallic structure and bonding secondary science 4 all. These shape memory alloys or sma s are examples of smart alloys c1a 2. Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions. Gcse metals revise the properties of their mix in alloys. This item examines how metals are extracted from their ores. Aluminium is a metal with over 300 alloys, as it can be alloyed with many elements if we bend or deform alloys and heat them, some will return to their original shape. Alloys containing copper copper alloys include brass, bronze, cupronickel and duralumin brass is an alloy of copper 70% and zinc 30%. These mixtures are used in everyday items, like coins, because of their properties. See more ideas about smart materials, smart textiles and e textiles. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Chemistry gcse pocket poster revision guides are colourful and engaging books. Gcse chemistry alloys complete lesson teaching resources. Alloys are made because the properties of the mixture such as, for example in strength or corrosion resistance are superior to the starting materials. The metals and smart alloys booklet contains an illustrated overview of. Learn the basics about alloys and their properties as a part of metallic bonding within the properties of matter topic. Gcse bitesize examinations general certificate of secondary education aqa science a chy1a unit chemistry c1a products from rocks aqa chemistry unit chemistry c1a products from rocks higher tier specimen paper.
Ks3 chemistry learning resources for adults, children, parents and teachers organised by topic. The booklet looks both at conventional alloys in particular iron and steel alongside the latest smart or shape memory alloys and their applications. Igcse complete chemistry notes refined and cleared by kmq. It is sometimes called the central science because it. As particles move they collide with each other and bounce off in all directions. Shape memory alloy wire and thermocolour film, both of which respond to temperature changes. Key words ores alloys extraction carbon oxides electrolysis furnace. Transition metals chemical reactions physical properties uses.
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. 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 an sma subjected to a mechanical stress or shear force will undergo a reversible. Smart materials gcse chemistry single science revision wjec. Alloys are are mixture of two or more different metals. A mnemonic is a memory aid used to improve long term memory and make the process of. Modules c4, c5, c6 higher tier general certificate of secondary education mark scheme for june 2016. The metals and smart alloys booklet contains an illustrated overview of the topic with suggestions for teachers on how to. First book on memory aids for chemistry by rishabh jain and sambhav jain. This volume treats the dynamics of hydrogen in intermetallic compounds, surface properties, kinetics, and.
Gcse alloys revise the properties of multiple metals. A collection of resources curated for gcse design and technology. Gcse chemistry unit 1a chemistry products from rocks. A smart alloy is a smart material that can remember its original shape. An alloy is a mixture of metals that may also contain nonmetals. For chemistry gcse, do you know all the topics for it. Atoms in a metal are packed tightly in layers and held by strong metallic bonds. Many of the gcse specifications refer to the use of smart alloys and shape memory alloys.
Shape memory alloys are mixtures of metals that return to their original shape when heated, similar to shape memory polymers. Revise your knowledge in this quiz for year 10 and year 11 students. Smart materials are defined as materials that sense and react to environmental conditions or stimuli e. There are many practical activities that can be done with the alloys and are described in the accompanying sep booklet.
Gcse additional chemistry c2 metals and alloys youtube. The group 1 elements are placed in the vertical column on the lefthand side of the periodic table. Buy aqa gcse chemistry student book 3 by ryan, lawrie, ryan, lawrie isbn. Materials smart alloys and nanomaterials all the different formulas and equations for working out various different things percentage mass of an element in a compound empirical formula calculating masses in reactions the number of moles in a substance atom economy.
A mixture contains two or more substances that are not united chemically to form a compound. Metals have a regular arrangement of closely packed positive ions surrounded by a sea of mobile valence electrons. June 2018 the uks bestselling gcse science series has now been updated and specifically tailored for. Smart materials nanoscience and smart materials gcse. The technical name for a smart alloy is a shape memory alloy sma. Free 2 grayahha brain structure and scanning lesson. Please stop calling me a cute zebra i like her call smart goat. Modules c1, c2, c3 foundation tier general certificate of secondary education mark scheme for june 2016. Gcse chemistry workbook videolearning workbook gcse. This material roughly covers a firstyear high school or college course, and a good understanding of algebra is helpful.
Gcse chemistry smart alloys titanium nickel nitinol. If youre seeing this message, it means were having trouble loading external resources on our website. Most pre16 chemistry courses only have a very small section on smart. In the chemistry section of gcse science, year 10 and year 11 students look at building materials. Subscribe to the fuse school youtube channel for many more educational videos. With a focus on science, concepts develop naturally, engaging students and enabling them to get a thorough understanding of. Swiftscience new aqa gcse chemistry the earths resources.
One aspect of this is alloys, the combinations of metallic elements. Gcse chemistry alloys of copper brass bronze cupro. See more ideas about chemistry revision, chemistry and gcse chemistry. Revise their properties by playing this aqa syllabus a quiz. 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. This video is about metals, alloys and shape memory alloys and is for students studying gcse chemistry. Please note this title is suitable for any student studying. A complete lesson including powerpoint and worksheet resources on alloys.
99 1394 531 120 513 1583 41 852 664 778 547 809 1151 1260 1288 1082 1527 907 1224 146 1158 890 1264 962 240 1514 1264 569 313 930 1219 1127 1062 929 502