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Related Flashcards
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Cards In This Set
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Scientific method
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A systematic approach to research
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Qualitative
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Consisting of general observations about the system
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Quantitative
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Comprising numbers obtained by various measurements of the system
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Three levels of studying chemistry
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Observation ---> representation ---> interpretation
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Hypothesis
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Tentative explanation for a set of observations
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Law
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A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions
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Theory
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Unifying principle that explains a body of facts and/or those laws that are based on them
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A hypothesis always leads to the formation of a law
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False
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The scientific method is a rigid sequence of steps in solving problems
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False
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A law summarizes a series of experimental observations; a theory provides an explanation for the observations
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True
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Matter
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Anything that occupies space and has mass
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Chemistry
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The study of matter and the changes it undergoes
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Melting point
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Temperature when a solid melts to form a liquid
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Boiling point
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Temperature when a liquid converts to gas
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Substance
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Matter that has a definite or constant composition and distinct properties
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