Introductory, CHEM 105

Chemistry
A science that studies the composition of substances and the way they interact with other substances
Chemical
A substance used in or produced by a chemical process
Experiment
A procedure that tests the validity of a hypothesis
Hypothesis
Unverified explanation of a natural phenomenon
Observation
Information determined by noting and recording a natural phenomenon
Scientific method
The process of making observations, proposing a hypothesis, testing the hypothesis, and developing a theory that explains a natural event
Substance
A particular kind of matter that has the same composition and properties wherever it is found
Theory
An explanation of an observation that has been validated by experiments that support a hypothesis