class-4-Science-Our Necessicities

Which of these fibres is/are strong and lustrous ?

Slanting roofs :

Existing weather conditions determine the :

Bricks are baked in :

An elevated house on bamboo poles is usually made in places :

An important tool in taking body measurement is :

Eskimos use :

The moisture absorption is :

Cotton plant is :

Clothes are mainly used :

In which century were synthetic yarns introduced ?

Insignias mean :

Cotton buds blossom in :

The silk fibre was invented by :

Artificial silk is :

Football players wear :

To protect the house from the influence of weather, it should be coated with :

Cotton plant is :

In Japan houses are usually made of wood because :

Polyester is referred to as :