Module #1 - Vocabulary Flashcards
Measurement and Units
1
Q
Matter
A
Anything that has mass and takes up space.
2
Q
Accuracy
A
An indication of how close a measurement is to the true value.
3
Q
Precision
A
An indication of the scale on the measuring device that was used
4
Q
Density
A
An object’s mass divided by the volume that the object occupies.
rho ( ) = m/V
5
Q
Mass
A
The measurement of exactly how much matter is in the object. Does not depend upon where the object is.
6
Q
Weight
A
A measure of how hard gravity pulls on an object. It can vary depending upon where the object is.
7
Q
Derived Units
A
Units like cm3 that are derived from the basic units that make up the metric system.
