Ductility

If you were to remove the rubber or plastic from around a piece of electric wire, you will find a very thin piece of wire made of copper. The piece of copper wire had been stretched thinly because copper is a ductile material.

Ductility is the ability of a material to be drawn into fine or thin wires. Tungsten is another example of ductile metal. It is used to make the filaments in light bulbs. Silver is also ductile and 100 grams (g) of silver can be stretched into a very thin wire about 200 meters (m) long.

Elasticity

A rubber band is a material that exhibits elasticity, or the ability of a material to be stretched and to return to its original shape and size after being stretched. Rubber bands and garters are examples of elastic materials.