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the capacity of matter to do work
no change is observed in the total mass of the substances involved in a chemical change.
a substance used in or produced by a chemical process.
a science that studies the composition of substances and the way they interact with other substances.
a scientist who studies the composition and changes of matter.
a procedure that test the validity of a hypothesis
an unverified explanation of a natural phenomenon
information determined by noting and recording a natural phenomenon.
the process of making observations, proposing a hypothesis, testing the hypothesis, and developing a theory that explains a natural event.
a particular kind of matter that has the same composition and properties wherever it is found.
an explanation of an observation that has been validated by experiments that support a hypothesis.
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