interpolation
Reading from the graph between data points
fundamental unit
one of the standard units
extrapolation
reading from the graph beyond the limits of your experimentally determined data points
derived unit
two or more standard units (ex. m^2, m^3, g/cm^3)
percent error
found by dividing the difference between the measured value and the accepted value of a quantity by the accepted value, and then multiplying this quotient by 100%
significant digits
the numbers in the given value of a physical quantity obtained by actual measurement, including the first estimated number
scientific method
a planned, orderly procedure applied to solving a problem to produce facts and accurate evidence to support a conclusion
accuracy
the degree of agreement between a measured value and the true value
theory
an explanation backed by results from repeated tests, experiments, or observation
precision
the degree of exactness with which a quantity is measured
law
a scientific rule of nature that describes the behavior of something in nature, but doesn't explain why it will happen in a given situation
scientific notation
a way to express numbers to large or small to be more conveniently written
standard
a fixed quantity to which all measurements are compared