Which term is used to measure how much matter is contained in an object?

The term used to measure how much matter is contained in an object is mass. Mass is a fundamental property of an object and is measured in units such as grams or kilograms. It quantifies the amount of matter present, which is independent of the object's location or the gravitational force acting upon it.

Understanding mass is crucial in various fields, including surveying and engineering, as it aids in calculations involving weight and density. Weight, for example, is the force exerted by gravity on that mass, which can vary depending on the gravitational field strength, whereas volume measures the space an object occupies. Density, on the other hand, is the ratio of mass to volume and describes how packed the matter within an object is but does not measure the matter itself.