Categories: Disambiguation | Automobiles Weight is a term of measurement referring to either an objects mass or to the gravitational force acting on the object. ... Karl Benzs Velo model (1894) - entered into the first automobile race An automobile (or motor car) is a wheeled passenger vehicle that carries its own motor. ... A motorcycle is a two-wheeled vehicle powered by an engine. ... Motor oil is a type of liquid oil used for lubrication by various kinds internal combustion engines. ... A coolant, or heat transfer fluid, is a fluid which flows through a device in order to prevent its overheating, transferring the heat produced by the device to other devices that utilize or dissipate it. ... Fuel is any material that is capable of releasing energy when its chemical or physical structure is changed or converted. ... Curb weight or kerb weight is the total weight of an automobile with standard equipment, oil, lubricants, coolant, a full tank of fuel and not loaded with either passengers or cargo. ... Biology (from Greek βίος λόγος, see below) is the branch of science dealing with the study of life. ... Loess field in Germany Soil horizons are formed by combined biological, chemical and physical alterations. ... Image File history File links Disambig_gray. ...