law of conservation
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
The principle that a particular quantity, such as mass or energy, cannot be created or destroyed, only transformed or transferred.
Test yourself
Which word fits the gap? "The _____ of mass means the total mass of the reactants must equal the total mass of the products."
Answer: law of conservation
In your own words, what does "law of conservation" mean?
The principle that a particular quantity, such as mass or energy, cannot be created or destroyed, only transformed or transferred.
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