Vocabulary ch.1 Flashcards
Accuracy
Describes how well the results agree with the real value
Precision
The degree of exactness of a measurement
Independent variables
Factor that is manipulated (x axis)
Dependant variables
Factor that depends on the independent variable
Line of best fit
Line drawn as close to all the data points as possible
Inverse relationship
One variable depends on the inverse of the other (hyperbolic relationship)
Linear relationship
Dependent variable varies linearly with the independent variable
Quadratic relationship
Exists when only one variable depends on the square of another
Model
A representation of an idea, event, structure, etc.
Dimensional analysis
Used to check that an answer will be in the correct units
Significant figures
The valid digits in a measurement