Mass:
-the quantity of matter as determined from its weight or from Newton's second law of motion

Volume:
-the amount of space occupied by a three-dimensional object or region of space



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Mass and volume are connected with density. Like this:



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density = mass/volume




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We can find the mass of an object using a balance and obtain its volume by calculation or water displacement. In the diagram, the volume of water displaced equals to the volume of the egg, that is 70 cm3.