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Definitions
Definitions 2
SI Units
True/False
Sig Figs and Sci Not
100
Refers to how close a series of measurements are to one another
What is precision?
100
A unit in a system of measurement that is defined by combining base units.
What is derived unit?
100
The SI base unit of time.
What is second?
100
In an answer that has four significant figures, two are estimated and two are known.
What is false?
100
The number of significant figures in 213,000.
What is three?
200
A ratio of equivalent values used to express the same quantity in different units.
What is conversion factor?
200
The SI base unit of temperature.
What is kelvin?
200
The SI base unit of length.
What is meter?
200
The liter is the base unit of density.
What is false?
200
The number of significant figures in 2.15 x 10^5.
What is three?
300
The ratio of an error to an accepted value.
What is percent error?
300
A means of expressing numbers as a multiple of two factors: a number between 1 and 10; and ten raised to a power, or exponent.
What is scientific notation?
300
The SI base unit for mass.
What is kilogram?
300
The prefix deci- indicates a larger number than the prefix centi-
What is true?
300
319,000,000 in scientific notation.
What is 3.19 x 10^8?
400
A defined unit in a system of measurement that is based on an object or event in the physical world.
What is base unit?
400
A method of problem solving that focuses on the units used to describe matter, often using conversion factors.
What is dimensional analysis?
400
A ratio that compares the mass of an object to its volume.
What is density?
400
The number 1,234,000 in scientific notation is equal to 1.234 x 10^5
What is false?
400
12.655 cm rounded to 4 significant figures.
What is 12.66 cm?
500
Refers to how close a measured value is to an accepted value.
What is accuracy?
500
A visual display of data that may include plotting data on x and y axes.
What is graph?
500
Includes all known digits plus one estimated digit.
What is significant figures?
500
There are 1000 milliseconds in a second.
What is true?
500
The difference between accuracy and precision.
What is accuracy is how close a measurement is to the accepted value, and precision is how close all measurements are to each together?