Multiple choice general knowledge science & technology

The intensity of an earthquake is measured with a

  1. Barometer

  2. Hydrometer

  3. Polygraph

  4. Seismograph

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A seismograph is the instrument used to detect and record the intensity of earthquakes by measuring ground movement. Barometers measure atmospheric pressure, hydrometers measure liquid density, and polygraphs are lie detectors.