A clear liquid, without colour or taste, that falls from the sky as rain and is necessary for animal and plant life.
A hard, transparent material, used to make windows, bottles, and other objects.
Thread or cloth made from the fibres of the cotton plant.
A hard substance that forms the branches and trunks of trees and can be used as a building material, for making things, or as a fuel.
An elastic substance (= that stretches) made either from the juice of particular tropical trees or artificially.
Thin, flat material made from crushed wood or cloth, used for writing, printing, or drawing on.
A rectangular block of hard material used for building walls and houses.
A chemical element that is generally hard and strong, and through which electricity and heat can travel.
A grey powder that is mixed with water and sand to make mortar or with water, sand, and small stones to make concrete.
An artificial substance that can be shaped when soft into many different forms and has many different uses.
