1C-Alejandro Hernandez and Francisco Gonzalez by Alejandro Hernandez https://padlet.com/ah725604/iw8dvn6swbe6 Made with a quick smile en-us 2017-11-27 08:46:07 UTC 2018-01-02 14:50:29 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Diskette.png Exercise 1 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/210819179 Animal            Plant        Mineral
wool                  Linen      Marble                                   Cork        Clay
                             Silk           Sand]]> 2017-11-28 10:57:49 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/210819179 Exercise 2 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/210821020 Cow - Milk - Yogurt
Sheep - Wool - t-shirt
Petrol - Plastic - Plastic bag
Sand - Glass - Windows
Chicken - eggs - omelette]]> 2017-11-28 11:04:35 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/210821020 Unit 4. Part 1: Raw Materials ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/210822395 -They are materials taken from nature. They are process into other natural materials
We can classify them into three groups: Mineral,  Animal and plant

-We refine raw materials to obtain natural material


-When we proccess raw materials they become processed materials
We obtain products from natural and processed materials

Any material used to construct an object is called a technical material
]]> 2017-11-28 11:10:22 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/210822395 Exercise 3 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/212740770 natural                       processed
lycra                              steel
slate                               latex
silk brass]]> 2017-12-04 08:37:30 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/212740770 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/212746376 Each format has certain characteristics or propierties that make it suited to a certain use]]> 2017-12-04 09:03:43 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/212746376 Exercise 5 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/214921525 Shoe: cloth, plastic
Partition wall: rock,mineral
Streetlight: iron,glass
Stay cables: stee]]> 2017-12-11 08:30:36 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/214921525 Exercise 6 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/214928439 Umbrella: plastic, metal
Chair: Wood, metal
Frying pan: steelk]]> 2017-12-11 09:00:36 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/214928439 Exercise 9 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/215349034 Wood/plastic chair: Some advantages are that they are more resistant and they are more simple to do them.
Some disadvantages are they can burn and they can broke easily.

Silver/aluminium earring: Some advantages are  that they are luxurious. Some disadvantages are that are expensive.]]> 2017-12-12 10:51:00 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/215349034 Exercise 10 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/215352877 Car headlight: light bulb
mattress: feathers, pier
golf club: metal]]> 2017-12-12 11:06:30 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/215352877 Properties of wood ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216867877 Tensile strength (resistance to stretching)
Compressive strength
Resistance
(Hardwood)
----------------------------------------------------
No resistance
No strength
(Softwood)]]> 2017-12-18 08:33:31 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216867877 Properties of wood 2 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216870013 -Tensile strength
-Copressive strength
-Flexural strength
-Hardness
-Thoughness
-Thermal and electrical conductivity 
-Sound conductivity
-Colour
-Density
------------------------------------------------------------------
-Advanteges
    Hardness and resistance
-Disadvanteges
  Combustion and insect attack]]> 2017-12-18 08:42:49 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216870013 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216871548 2017-12-18 08:50:39 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216871548 Wood man-made products ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216871597  -Ping pong racket
 -Carton box
 -Paper]]> 2017-12-18 08:50:45 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216871597 Exercise 12 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216872418 Natural: pine, beech, fir,
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Man-made:cork, lime
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Wood derivatives: plywood, ebony, ash, chipboard, cardboard]]> 2017-12-18 08:54:17 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216872418 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/216984995 2017-12-18 15:33:53 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/216984995 metallic materials ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218208 metals that contain mainly iron are called ferrous metals. Metals that dont have iron in their composition are called non-ferreous metals]]> 2017-12-31 13:08:55 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218208 Exercise 18 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218449 Cast iron]]> 2017-12-31 13:16:02 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218449 Iron, steel and cast iron. ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218491 Iron: when is less than 0.1% of carbon is called iron
Steel: is a ferreous metal made mostly of iron (and from 0.1% to 2% of carbon)
Cast iron: is made of iron and 2% to 6.67% of carbon]]> 2017-12-31 13:17:26 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218218491 Non-ferreous metals ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218322899 Copper: its a bright red-coloured metal that has been used to make ornaments, coins and some weapons
Tin: Is a silver coloured shiny metal that resists corrosion and it isnt toxic.
Aluminium: is a common element. It is white cheap and easy to recycle
Zinc: it is a bluish-white in colour and is one of the least common metals]]> 2018-01-02 14:37:01 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218322899 Exercise 22 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218325259 Coca-cola can: aluminium
Boeing: Aluminium]]> 2018-01-02 14:46:17 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218325259 Exercise 23 ah725604 https://padlet.com/ah725604/iw8dvn6swbe6/wish/218325675 Statue: steel
Sardine tin: aluminium
Wires for an electrical circuit: copper]]> 2018-01-02 14:47:57 UTC https://padlet.com/ah725604/iw8dvn6swbe6/wish/218325675