Course Glossary
This glossary contains the entries for all other glossaries in the course.
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
P |
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physical propertycharacteristic of matter that is not associated with any change in its chemical composition | |
plasmagaseous state of matter containing a large number of electrically charged atoms and/or molecules | |
precisionhow closely a measurement matches the same measurement when repeated | |
pure substancehomogeneous substance that has a constant composition | |
R |
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roundingprocedure used to ensure that calculated results properly reflect the uncertainty in the measurements used in the calculation | |
S |
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scientific methodpath of discovery that leads from question and observation to law or hypothesis to theory, combined with experimental verification of the hypothesis and any necessary modification of the theory | |
secondSI unit of time | |
SI Unitsstandards fixed by international agreement in the International System of Units (Le Système International d’Unités) | ||
significant figuresall of the measured digits in a determination, including the uncertain last digit | ||
solid | |