Zinc is a bluish-white metal. It rusts very slightly, and only on the surface. It is the lightest of the metals. It is malleable. Sheet-zinc is used for many purposes, but it is neither ductile nor tenacious. Iron that has been dipped in melted zinc is called galvanised iron. It will not rust.
Lesson 38
The Mole
"Our lesson today," said Willie, "was about a very strange, little animal, the mole. It lives in most parts of the country, and yet it is rarely seen alive, because it lives under the ground.
