G6 Earthquakes

When two tectonic plates get caught on each other ______ ______ builds up under the surface.

• potential energy

• strain energy

• seismic energy

• kinetic energy

The point where the strain energy builds up under the surface is called the _____.

• epicenter

• locus

• focus

• centerpoint

When the strain energy is released suddenly, what will happen?

• A volcano

• A storm

• A hurricane

• An earthquake

The point on the surface directly above the focus is called the ________.

• focus

• centerpoint

• epicenter

• locus

What kind of wave spreads out from the epicenter of the earthquake?

• sound

• radiation

• seismic

• micro

What is the name of the smaller earthquakes that happen after a larger one?

• Afterquakes

• Firstquakes

• Aftershocks

• Postquakes

Which tool do we use to measure the strength of an earthquake?

• Seismometer

• Earthquakograph

• Shakeometer

• Seismograph

What unit does a seismograph measure earthquakes in?

• Attitude

• Magnitude

• Longitude

• Higitude

On which scale are earthquakes measured on?

• The Wegener Scale

• The Mackinder Scale

• The Richter Scale

• The de Fuca Scale