Презентация «Metals and their properties. How they are used in our life»

An English Open lesson On metallurgy prepared by Vorobieva M.I. and Pokhilenko D.A.

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"METALS AND THEIR PROPERTIES. HOW THEY ARE USED IN OUR LIFE»

point the right word class and translate them point the right word class and translate them The first task Nouns Verbs Adjectives Adverbs

Look at the text. read and translate it. Look at the text. read and translate it. The second task (a)

Answer next questions: Answer next questions: 1. What are metals and what do we call metallurgy? 2. Why are most metals dense? 3. What are metals malleable? 4. What are alloying? 5. What do the properties of metals depend on? 6. What are the main processes of metal worked? The second task (b)

guess the meaning of the following words guess the meaning of the following words The third task 1.   Свойства металлов 2.   Сильно отличаются по своим свойствам 3.   Закалка 4.   Кристаллическая решетка 5.   Отжиг 6.   Волочить 7.   Прокатка 8.   Ковать 9.   Экструзия 10. Горячая обработка 11. Усталость металла 12. Ползучесть металла 13. Плавка и отливка в формы 14.  Способы обработки металлов

put the endings of the next sentences put the endings of the next sentences The fourth task Metallurgy is … Most metals are … The properties of metals depend on … Alloying is … All metals can be formed by … Metals can be worked using …

What subjects are important for your professional skills? Subjects ?

Why is it necessary to study these subjects? Model: Chemistry, it is important to know chemical properties and chemical reactions of metals.

Work together Work together Pronounce correctly

Watch the video and fill in the gaps Watch the video and fill in the gaps The fifth task (a) Metals Alloys Properties Advantages Disadvantages Productions Gold Excellent conductor of electricity Electronics Jewelry gold Shine, attractive Rings, earrings, bracelets. Copper Good conductor off electricity and ductile, stretched into wires, malleable Cheaper then  gold Brass Stronger than copper. Less likely to break Aluminium Doesn’t reaction with food. Cheap Breakable, less dense Magnalium Used to make aircrafts parts Mild Steel Hard Stronger, stiff, stainless, malleable, easy to shape Parts for cars, planes, trains. Manufacture of household appliances, tableware, pipes, bridges Iron Hard Engineering

Watch the video and fill in the gaps Watch the video and fill in the gaps The fifth task (a) Metals Alloys Properties Advantages Disadvantages Productions Gold Excellent conductor of electricity Doesn’t corrode Expensive Electronics Jewelry gold Cold + Copper Shine, attractive Expensive Rings, earrings, bracelets. Copper Good conductor off electricity and ductile, stretched into wires, malleable Cheaper then  gold More expensive that aluminum Electric wires, pipes and tubing Brass Copper + Zinc Strong, unbreakable, doesn’t rust in contact with air and water Stronger than copper. Less likely to break Mechanical engineering, valves and taps Aluminium Good conductor of electricity and heat, leght easy to shape Doesn’t reaction with food. Cheap Breakable, less dense Cooking utensil, wires and cables, aircraft, window and door frame Magnalium Magn. + Alum. Strong, low density, resists corrosion Much stronger and lighter that steel Malleable Used to make aircrafts parts Mild Steel Iron |+ Carbon Hard Stronger, stiff, stainless, malleable, easy to shape Parts for cars, planes, trains. Manufacture of household appliances, tableware, pipes, bridges Iron Hard Engineering

Model for answers: Model for answers: The fifth task (b) I know that Gold is… / It has some advantages:…/ it is… / Its the only disadvantage is … / It is used in production of … I didn’t know that… / It was new for me that …