conservation of matter

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Related to conservation of matter: law of conservation of matter
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Noun1.conservation of matter - a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
conservation - (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
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This would violate the 1st Law of Conservation of Matter and Energy)
The law of conservation of matter states that the mass of substances in a closed system will remain constant, regardless of what processes are acting inside the system.
The first part of the book covers basics of the conservation of matter and energy, thermodynamics, and biochemistry, leading to an exploration of the properties that allow ecosystems to grow and thrive in spite of natural constraints, such as biodiversity, hierarchical organization, and high buffer capacity.
Because the amount of atmospheric carbon is well known and conservation of matter requires a balanced global carbon budget, this previously unaccounted for source of carbon to the atmosphere implies the existence of an additional continental carbon sink such as higher rates of biomass accrual in forests.
It focuses on only one challenging benchmark on conservation of matter from the Benchmarks for Science Literacy (AAAS, 1993):

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