to show the relationship between two items or events. a decision made by an expert based on the results of an examination based on observation or experiment a state of balance the state of being identified; something that identifies a person great energy, strength, concentration; in physics: Intensity = Power/Unit of area about words something that is easy to recognize or identify a thin covering of tissue two or more atoms chemically combined a nerve cell; the basic building block of the nervous system. an intersection or junction point in a network; a part on a plant where a new leaf grows not complete; favoring one side over another a system of management; a form of government going back; in statistics: a type of correlational procedure that focuses on predicting the values of an outcome based on its correlation with another variable. a mechanical creature that acts like a human a copy; a method that is used to study and analyze the characteristics of the real world about numbers that represents information the amount of difference; a statistic that measures the variability of a distribution. a speech sound; a, e , i, o, u and sometimes y