In science, mass is the amount of matter an object has. Newton's second law says that mass is the property of matter that determines the force required to impart a given acceleration to an object. More »

Corrosion science is the study of material degradation, both metallic and non-metallic. It is a branch of engineering and materials science, although it often spans other disciplines, with the goal being to understand an... More »

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Environmental science is a branch of science that deals with the environment, the climate and ecology. Environmental scientists are research scientists who analyze and dissect environmental issues to find solutions for t... More »

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The mass of an object is the amount of matter it contains while volume is the amount of space it takes up. Mass should not be confused with weight, which is the measure of the gravitational force on an object. More »

Weight is a measurement of the force placed on an object by gravity, whereas mass is the amount of matter an object contains. Mass is commonly denoted using m or M, and weight is denoted with W. More »

Mass is a measure of the amount of matter contained by an object, while weight is a measure of the gravitational pull on an object. As the gravitational force exerted by Earth is the constant upon which mass is calculate... More »

Anything that has mass and volume is called matter. There are four classical states of matter: solid, plasma, liquid and gas. Each type of matter has different properties. More »

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