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Mass is a measure of the amount of matter that an object contains, while density is a measure of how much mass an object contains per a unit volume. Mass is measured in kilograms, while density is typically measured in k... More »

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Density is the mass per unit volume of a material, while specific gravity is the density of a material divided by the density of water. Multiplying the specific gravity by the density of water gives the density of a mate... More »

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Convection currents occur due to the density difference between hot and cold fluids. A fluid that is heated from below expands and rises. When this fluid becomes cool, it contracts and sinks. This continuous cycle of exp... More »

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Density can be the amount of matter in a given volume, also known as mass density. Density can also be the number of objects in a given volume, known as number density. More »

www.reference.com Science Chemistry

Density is defined as mass per unit volume, so it is necessary to measure both the weight and volume of an object to determine its density. Use a scale to measure the object's weight. A ruler can be used to measure the d... More »

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Density and mass are mutually dependent physical properties, with density being equal to the amount of mass per unit of volume of any particular object or substance. The mass of any object depends entirely on its overall... More »

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Density is the mass per unit volume of a material, while specific gravity is the density of a material divided by the density of water. Multiplying the specific gravity by the density of water gives the density of a mate... More »

www.reference.com Science Chemistry Solutions & Mixtures