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10 Cards in this Set
- Front
- Back
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chemistry
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the science of the compsition, structure, properties, and the reactions of matter, especially of atomic and molecular systems
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scientific method
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collect the facts or data, formulate a hypothesis, pl,an and do additional experiments to test the hypothesis, modify hpyothesis
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hypothesis
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tentative explanation of certain facts that provides a basis for further experimentation
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theory
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explanation of the general principles of certain phenomena with considerable evidence or facts to support it
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scientific laws
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simple statements of natural phenomena to which no exceptions are known under the given conditions
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mass
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a fixed and unvarying quantity that is independent of the objects location
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weight
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measure of the earths gravitational attration for that object
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rounding off numbers
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when digits are dropped from a number, the value of the last digit retained
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scientific notation
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writing a number as a power of 10
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significant figures
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every number that expresses a measurement
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