WorksheetsUnderstanding Earthquakes
Total questions: 6
Worksheet time: 3mins
What is an earthquake?
A geological process that happens over millions of years.
An earthquake is a sudden shaking of the ground caused by the movement of tectonic plates.
A phenomenon that occurs only underwater.
A type of weather event caused by high winds.
What causes earthquakes to occur?
Changes in atmospheric pressure
Human activities like mining and drilling
Volcanic eruptions releasing magma
Movement of tectonic plates and the release of built-up stress along faults.
What is the scale used to measure the magnitude of an earthquake?
Richter scale or moment magnitude scale (Mw)
Fujita scale
Beaufort scale
Saffir-Simpson scale
How can people prepare for an earthquake?
Ignoring building codes
People can prepare for an earthquake by creating an emergency plan, securing heavy furniture, having an emergency kit, practicing safety drills, and staying informed.
Moving to a different country
Buying a new car
What is the difference between an earthquake's epicenter and its focus?
The focus is the point where seismic waves are first detected; the epicenter is where they are strongest.
The epicenter is the underground origin of the earthquake; the focus is the surface point directly above it.
The focus is the underground origin of the earthquake; the epicenter is the surface point directly above it.
The epicenter is the center of the earthquake; the focus is the area surrounding it.
What safety measures should be taken during an earthquake?
Stand still in the doorway
Drop, cover, and hold on; stay away from windows and heavy objects.
Hide under a table with no legs
Run outside immediately
