MinuteEarth

To learn more about this topic, start your googling with these keywords: Portland cement - the most common type of cement used worldwide, made with limestone Limestone - a hard sedimentary rock, composed mainly of calcium carbonate (which is also in shells & eggs) Cement - a powder used in construction that’s made by grinding clinker with other minerals and mixing with water to form a paste that sticks to sand, gravel or crushed stone to make concrete Concrete - a building material made by mixing cement with water to form a paste that gains body through fillers like sand and gravel Clinker - an intermediate marble-sized product in cement production created by sintering limestone with clay and other things Sinter - to turn a powdery solid into a single mass by heating it without liquefaction Mortar - another building material (used to adhere bricks or stones together) made by mixing cement with water and sand Calcination - the process of heating a substance to a high temperature, but below its melting