Questions: Where does ____ come from? Or... What is ____ made of?
(For example: Glass, Iron, Copper, Oil, Plastic, Gold, Silver, Platinum, Cobalt, Nickel, Lead, Zinc, Coal, Steel, Aluminium, Tin, Toothpaste, Diatome, Lithium, Sulfur, Asphalt, Diamonds, Gemstones, Uranium, Manganese, Potash, Phosphate, Paint, Cement, Rare earth magnets, Halites, Borates, Limestone, Titanium, Mercury, Talcum Powder, Asbestos, Gypsum, etc...)
