vocab 1.3 and 1.4 Flashcards
1
Q
accuracy
A
how close a measured volume is to an accepted value
2
Q
precision
A
how close a series of measurements are to one another
3
Q
percent error
A
expresses error as a percentage of the accepted value
percent error = (|error|/accepted value) x 100
4
Q
error
A
defined as the difference between an experimental value and an accepted value
error = experimental value - accepted value
5
Q
significant figures
A
the number of all known digits reported in measurements plus one estimated digit
6
Q
independent variable
A
the variable that the scientist deliberately changes during an experiment (plotted on the X axis)
7
Q
dependent variable
A
the variable whose value depends on, or changes in response to the independent variable
8
Q
graph
A
a visual display of data
9
Q
A
