1C-LuciaAlejandraYaizaOrtiz by Lucia Alejandra https://padlet.com/luciaalejandravp/50lun5p5zgar en-us 2017-12-11 08:32:58 UTC 2025-03-30 13:10:58 UTC hello@padlet.com Exercise 1 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214923682
Animal         Plant      Mineral

wool            linen        marble     
                    cork         clay
                     silk           sand             

]]> 2017-12-11 08:38:38 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214923682 Exercise 2 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214927151 Sheep- wool- jumper
Cow- milk- yogurt
Mineral- gold- ring
Chicken- eggs- omelette
Petroleum- plastic- plastic bag.]]> 2017-12-11 08:54:04 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214927151 Exercise 3 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214928922 2017-12-11 09:03:13 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/214928922 Excercise 6 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/216869697 Umbrella
Plastic-it has to be weighs, cheap and readily available.
Fabric- it has to be weighs, available and nice to touch.

Chair
Wood- It has to be  cheap,  available and not toxic.

Frying pan
Metal-It has to be strong, weighs, that we can build with it and it hasn`t to be toxic.
Plastic- It has to be nice to touch, available and cheap.


]]> 2017-12-18 08:41:25 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/216869697 Excercise 5 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/216869782 Shoe-  leather. It has to be cheap and weighs.

Partition wall-  bricks. It  has to be strong.

Streetlight- Iron. It has to be strong and readily available.

Stay cables- wire and plastic. It has to be weighs.]]> 2017-12-18 08:41:48 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/216869782 Excercise 9 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217874885 A plastic chair or a wood chair
The plastic chair is lighter and is easier to get, but the wood chair is more resistant and it`s material doesn`t hurt the environment.

A silver earring or an aluminium earring
The silver is more resistant but the aluminium is easier to get.

]]> 2017-12-22 16:31:00 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217874885 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217875793 2017-12-22 16:40:50 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217875793 Excercise 10 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217876038 Car headlight
Cristal- it´s transparent, hard and it has chemical properties.

Mattress
Foam- it`s opaque, soft, brittle, elastic and it resist to rusting

Golf club
Metal- it's  opaque, hard, tough and is resistant to rusting.]]> 2017-12-22 16:43:34 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/217876038 Exercise 11 a) luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218191068 2017-12-30 16:21:18 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218191068 Exercise 11 b) luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218192468 We can use wood as a technical material because is a thermal conductor, it isn´t hard and is light. But wood isn´t flexible and it can break easily.]]> 2017-12-30 16:57:03 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218192468 Exercise 18 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218192887 Steel is tougher than cast iron.]]> 2017-12-30 17:10:21 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218192887 Exercise 22 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218193141 The metal that we can find in a Coca-Cola can and a Boeing is the aluminium.]]> 2017-12-30 17:18:53 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218193141 Exercise 23 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218193342 To make a statue I would use bronze because is strong.
To make a sardine tin I would  use tin because is not toxic.
To make wires I would use copper because is a good conductor of electricity.]]> 2017-12-30 17:25:21 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218193342 1 Materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218244437
  • Raw materials: the materials that are taken directly from nature that we process into other materials.
  • Natural materials: raw materials that have been prepared or refined.
  • Processed materials: materials that have been processed.
  • Technical materials: Materials that are usedesigned to construct an object.

    • ]]>     2018-01-01 12:44:28 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218244437     2 Choosing materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218245339 Each material has certain characteristics or properties that make it suited to a certain use.

    ]]>     2018-01-01 13:21:15 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218245339     3 Properties of materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218246006 2018-01-01 13:42:05 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218246006 4 Properties of wood luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218486929
  • Wood has several properties that are undesirable in technical aplications:
  • Combustion
  • Moisture
  • Rotting and insect attack 
    • ]]>     2018-01-03 13:57:29 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218486929     5 Wood products luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218489258 Man-made wood     
    •    Chipboard
    •Plywood

    ]]>     2018-01-03 14:04:41 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218489258     5 Wood products luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218493109 Wood derivates
    • Paper
    • Cardboard
    • Cork

    ]]>     2018-01-03 14:14:52 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218493109     7 Metallic materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218495246 Stock forms of metal
    • Plates
    • Sections
    • Ingots
    ]]>     2018-01-03 14:20:48 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218495246     7 Metallic materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218498240 Classifying metals
    Metals that contain mainly iron are called ferrous materials. Metals that do not have iron in their composition are called non-ferrous metals.]]>     2018-01-03 14:28:11 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218498240     Exercise 12 luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218526505 Natural woods- pine, ebony, beech, ash, fir and lime.
    Man-made woods- plywood and chipboard.
    Wood derivatives- cork and cardboard.]]>     2018-01-03 15:24:48 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218526505     7 Metallic materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218535949 2018-01-03 15:47:30 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218535949 8 Ferrous materials luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218541997 Iron
    When the percentege of carbon in the alloy is less than 0.1%, we call this material iron.
    Steel
    Steel is a ferrous material made mainly from iron with 0.1% to 2% carbon.
    Cast iron
    Cast iron is made from iron and 2% to 6.67% carbon.

    ]]>     2018-01-03 16:04:35 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218541997     9 Non-ferrous metals luciaalejandravp https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218544349 Copper
    This is a bright, red-coloured metal that has been used since ancient times.
    Tin
    Tin is a silvercoloured shiny metal that is very resistant to corrosion.
    Aluminium
    Aluminium is the third most common element is the earth crust. It is white, shiny, cheap and easy to recicle.
    Zinc
    It is bluishwhite in colour and is one of the least common metals.]]>     2018-01-03 16:12:28 UTC https://padlet.com/luciaalejandravp/50lun5p5zgar/wish/218544349