1.3 - Measurement Flashcards
The straight line distance between two points
Length
A way of expressing a value as the product of a number between 1 and 10 and a power of 10
Scientific Notation
The quantity of matter in an object or sample
Mass
The amount of space taken up by an object
Volume
The ratio of an objects mass to its volume
Density
A ratio of equivalent measurements that is used to convert a quantity expressed in one units to another unit
Conversion factor
A gauge of how exact a measurement is
Precision
All the digits that are known in a measurement, plus the last digit that is estimated
Significant figures
The closeness of a measurement to the actual value of what is being measured
Accuracy
An instrument that measures temperature or how hot an object is
Thermometer