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14 Cards in this Set
- Front
- Back
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Hypothesis
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a tentative interpretation or explanation of the observations.
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Law
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a law is simply a general statement that summarizes and predicts observed behavior.
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Theory
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A proposed explanation for observations and laws. Theories seek to explain the causes of observed behavior.
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Scientific Method
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is a way chemists investigate the chemical/natural world. It involves observations, laws, hypotheses, theories, and experimentation.
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Volume
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a measure of space. Any unit of length, when cubed, becomes a unit of volume.
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Density
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a fundamental property of materials that differs from one substance to another. The units of density are the those of mass divided by volume, most commonly expressed in g/cm3, g/mL, or g/L.
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Scientific notation
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a system used to write very big or very small numbers, often containing many zeros, more compactly and precisely. A number written in scientific notation consists of a decimal part and an exponential part (raised to a particular exponent).
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Density
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Mass
Density= _______ or d = m V Volume |
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SI
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Internation systems of units
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Length: SI unit =
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meter (m)
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Volume: SI unit =
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cubic meter (m3)
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Mass: SI unit =
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Kilogram (kg)
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Energy: SI unit =
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joule (J)
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Temperature: SI unit =
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kelvin (K)
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