measurement and calculations Flashcards
data described in terms of some quality or categorization that may be informal or may use ill-defined characteristics such as warmth and flavor
qualitative data
data described in terms of quantity and in which numerical values are used.
quantitative data
a property of matter equal to the measure of an object’s resistance to changes in either its speed or direction of its motion.
mass
The ——of an object is not dependent on gravity and therefore is different from but proportional to its weight.
mass
the amount of space occupied by a three-dimensional object or region of space
volume
the measurement of the extent of something along its greatest dimension
length
a measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale
temperature
a decimal system of units based on the meter as a unit length, the kilogram as a unit mass, and the second as a unit time.
metric system
a method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.
scientific notation
a technique that involves the study of dimensions of physical quantities
dimensional analysis
All of the numbers in a measurement that are know to be accurate, plus one that is uncertain.
significant figures