https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa 1acarlosmartinezycarlabielsa en-us 2018-11-23 12:40:51 UTC 2018-12-05 13:20:17 UTC hello@padlet.com c_m_guerediaga https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307259683 are materialstaken directly from nature that we process into other materials to make products with]]> 2018-11-23 12:59:43 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307259683 c_m_guerediaga https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307260646 we prepare or refine raw materials to optain natural materials ]]> 2018-11-23 13:04:59 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307260646 c_m_guerediaga https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307261139 when we process raw materials 
they become processed materials 
( also called manufactured materials ) ]]> 2018-11-23 13:07:42 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307261139 c_m_guerediaga https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307261857 hardness: resisitance materials to being scratched when we srike it 
toughness: resisitance materials to being broken when we strike it 
deformability: this is the ability of a material to be deformed 
ductility: this is the ability of a material to be stretched into a wire 
malleability: this is the ability of a material to be pressed or rolled into a sheet ]]> 2018-11-23 13:11:48 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/307261857 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308741354 tensile strenth: it is in the longitudinal direction]]> 2018-11-28 13:04:09 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308741354 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308742829 it is better in the transverse direction than in the longitudinal direction]]> 2018-11-28 13:08:02 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308742829 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308743552 it is better in the transverse direction this is why it was used a lot in the past to make post ,beams...]]> 2018-11-28 13:10:03 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308743552 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308745562 this can vary a lot depending on what material (density,age etc) but in general the wood is enought hard to make houses , boards etc]]> 2018-11-28 13:14:21 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308745562 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308747770 wood is tough so it is used in sports equipmentl like hockey sticks ,tennis rackets etc]]> 2018-11-28 13:18:39 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308747770 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308895139 are very low wood is an insulator of heat and electricity (the drier wood, the more insulator s it)]]> 2018-11-28 16:47:14 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308895139 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308898154 the wood can be white (poplar, lime, pine ) yelow (boxwood) dark yellow or brown (chesnut, pear and some oak varities like home oak)
The litter types of wood are prized of woods of different colours that are used to make tools]]> 2018-11-28 16:51:18 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308898154 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308903489 wood is a light material it has lower density than water (that means that it floats) this is why it is used to build ships]]> 2018-11-28 16:59:18 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308903489 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308906705
Additives can be used to bleach it or give it a diferent texture ]]> 2018-11-28 17:04:02 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308906705 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308909358 is made by compressing several layers of paper while it is wet to thicken and produce a heavier texture we used cardboard is ot something lake paper it is use to do proyects (build kitchens , murarls etc ]]> 2018-11-28 17:08:23 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308909358 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308912775 is obtained from the bark of the cork oak 
it sometimes used to close alcohol drinks or to put your posters papers in the wall]]> 2018-11-28 17:13:14 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308912775 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308916708 is the same of natural wood but with man-made materials]]> 2018-11-28 17:19:17 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308916708 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308918701 are usually obtained from leftover wood (chips , sawdust , etc.)
Themost common ones are paper , card board and cork]]> 2018-11-28 17:22:30 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/308918701 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309049217 is formed by an odd number of thin wood layers called veneers that are laid on top of each other and bonded together with adhesive .
thy are laid in alternative directions  ( this gives the playwood more strength ,uniformity and stability.
Examples: table-tennis paddles , boats etc.]]> 2018-11-28 20:59:41 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309049217 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309052550 Is obtained from woodchips that are mixed with rexin and then pressed . It is available in sheets of different thicknesses , it can be coated with a thin plastic or nature wood .
Examples: itis used in all types of furniture (specially in kitchen cabinets) or in school materials like chairs and tables. ]]> 2018-11-28 21:08:38 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309052550 https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309057355 are a hard materialit has good thermal and electrical conductivity
imagine that you have a box where you have very expensive thigs and its a wood box if is a metal box its shefier. 

]]> 2018-11-28 21:21:05 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309057355 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309738445 Iron: when the percentage of carbon in the alloy is less than 
0.1% , we call this material iron 
as a result , it does not have many applications  , except  in medicine 
and electronics 

Steel: is a ferrous material made mainly from iron with 0.1 to 2% carbon 

Cast iron: is made from iron 2% to 6.67% carbon

]]> 2018-11-30 13:02:37 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309738445 carlamoratalaz https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309743566 Copper:  
-It´s a very good conductor of heat and electricity
-it is highly resitant to corrosion 
-it is very ductile and malleable , and easy to solder 
Tin:
-it is very ductile and malleable when cold
-it is very easy to work with and to melt it is used for soft soldering 
Aluminiun: 
-it is very light 
-it is resistant to corrosion
-it is a good conductor of heat and electricity 
-it is non - toxic
-it is very ductile and malleable 
-it is easy to shape
Zinc:
-it is malleable and ductile 
-it is a good conductor of heat and electricity 
-it is highly resistant to corrosion and rust]]> 2018-11-30 13:16:03 UTC https://padlet.com/c_m_guerediaga/1acarlosmartinezycarlabielsa/wish/309743566