Ratio
the Richter scale
a scale
Hurricane strength.
most common a balance scale
A seismograph is used to measure ground movement or vibrations on the Richter scale.
There is no scale!!
The scale used to measure the strength of an earthquake is called the Richter scale
A scale is used to measure a weight of an object
is there a scale used to measure the intensity of heat wave
A [Newton] spring scale, and the type of force measured is newtons. (Sometimes it is called a Newton spring scale because he invented it)
A spring scale
Richter scale