Wood is useful because it is strong, durable, and can be easily shaped. It is used in construction, furniture making, and as fuel. Its natural availability makes it a widely used material.
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Materials are substances used to make objects around us. They can be natural, like wood, or man-made, like plastic. Everything we use daily is made from some kind of material.
Plastic is made from petrochemicals through a process called polymerization. This involves combining small molecules, called monomers, into long chains to form polymers, which are then molded into various shapes.