What material would you choose to make a chair, a pan, a book, a wire and an jacket? Here you have the solution

1. A CHAIR could be made of wood because
• The wood has a good appearance
• It is strong, tough
• It can be environmentally friendly (it depends on the type of
wood)
• It is not usually expensive (it depends on the type of wood)
But if we want an outdoor CHAIR, maybe it is better to make
it of plastic:
• The plastic has a better resistance to humidity,
so it will last longer
• It has some flexibility, so the chair can be more
confortable
• It is cheaper than wood
• It is not as heavy as wood

2. A PAN is made of metal because:
• It is a good conductor of heat, so when it is on the fire it
can transmit heat to the meat we put on it.
• But at the same time, it has a good resistance to heat, so it
does not melt when it is on the fire
• We choose metals that are resistant to oxides and
corrosion
• We can make the handle of plastic, because it is a good
insulator of heat and it has a good texture
A Book is made of paper (and cardboard) because:
• It is flexible, so we can fold the pages if necessary
• It is not too heavy, so we can carry it wherever we want
• It is biodegradable and we can recycle it
• It has a good texture, so it is nice to touch
• It can be easily printed and we can write on it if necessary

3. A WIRE is made of metal (usually copper), because:
• It is a good conductor of electricity
• It is ductile, so we can make easily wires from this kind of material
• It is flexible, so we can bend it to make an electric circuit
And they are usually covered by plastic, because:
• It is a good insulator of electricity, so we can avoid short circuits when
two wires are together and shocks when we touch them
A JACKET could be made of fabric because:
• It is a good insulator of heat, so we are warmer when we wear it
• It is flexible, so we can easily take it on and off
• It is not too heavy, so we can carry it on without effort
• It has a good texture, so it is nice to touch